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Diffstat (limited to 'gfx/angle/src/libANGLE/validationES3.cpp')
-rwxr-xr-xgfx/angle/src/libANGLE/validationES3.cpp1124
1 files changed, 665 insertions, 459 deletions
diff --git a/gfx/angle/src/libANGLE/validationES3.cpp b/gfx/angle/src/libANGLE/validationES3.cpp
index a4cb71e6a..6f3d8002a 100755
--- a/gfx/angle/src/libANGLE/validationES3.cpp
+++ b/gfx/angle/src/libANGLE/validationES3.cpp
@@ -8,9 +8,6 @@
#include "libANGLE/validationES3.h"
-#include "base/numerics/safe_conversions.h"
-#include "common/mathutil.h"
-#include "common/utilities.h"
#include "libANGLE/validationES.h"
#include "libANGLE/Context.h"
#include "libANGLE/Texture.h"
@@ -19,11 +16,209 @@
#include "libANGLE/formatutils.h"
#include "libANGLE/FramebufferAttachment.h"
+#include "common/mathutil.h"
+#include "common/utilities.h"
+
using namespace angle;
namespace gl
{
+struct ES3FormatCombination
+{
+ GLenum internalFormat;
+ GLenum format;
+ GLenum type;
+};
+
+bool operator<(const ES3FormatCombination& a, const ES3FormatCombination& b)
+{
+ return memcmp(&a, &b, sizeof(ES3FormatCombination)) < 0;
+}
+
+typedef std::set<ES3FormatCombination> ES3FormatCombinationSet;
+
+static inline void InsertES3FormatCombo(ES3FormatCombinationSet *set, GLenum internalFormat, GLenum format, GLenum type)
+{
+ ES3FormatCombination info;
+ info.internalFormat = internalFormat;
+ info.format = format;
+ info.type = type;
+ set->insert(info);
+}
+
+ES3FormatCombinationSet BuildES3FormatSet()
+{
+ ES3FormatCombinationSet set;
+
+ // Format combinations from ES 3.0.1 spec, table 3.2
+
+ // clang-format off
+ // | Internal format | Format | Type |
+ // | | | |
+ InsertES3FormatCombo(&set, GL_RGBA8, GL_RGBA, GL_UNSIGNED_BYTE );
+ InsertES3FormatCombo(&set, GL_RGB5_A1, GL_RGBA, GL_UNSIGNED_BYTE );
+ InsertES3FormatCombo(&set, GL_RGBA4, GL_RGBA, GL_UNSIGNED_BYTE );
+ InsertES3FormatCombo(&set, GL_SRGB8_ALPHA8, GL_RGBA, GL_UNSIGNED_BYTE );
+ InsertES3FormatCombo(&set, GL_RGBA8_SNORM, GL_RGBA, GL_BYTE );
+ InsertES3FormatCombo(&set, GL_RGBA4, GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4 );
+ InsertES3FormatCombo(&set, GL_RGB10_A2, GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV );
+ InsertES3FormatCombo(&set, GL_RGB5_A1, GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV );
+ InsertES3FormatCombo(&set, GL_RGB5_A1, GL_RGBA, GL_UNSIGNED_SHORT_5_5_5_1 );
+ InsertES3FormatCombo(&set, GL_RGBA16F, GL_RGBA, GL_HALF_FLOAT );
+ InsertES3FormatCombo(&set, GL_RGBA16F, GL_RGBA, GL_HALF_FLOAT_OES );
+ InsertES3FormatCombo(&set, GL_RGBA32F, GL_RGBA, GL_FLOAT );
+ InsertES3FormatCombo(&set, GL_RGBA16F, GL_RGBA, GL_FLOAT );
+ InsertES3FormatCombo(&set, GL_RGBA8UI, GL_RGBA_INTEGER, GL_UNSIGNED_BYTE );
+ InsertES3FormatCombo(&set, GL_RGBA8I, GL_RGBA_INTEGER, GL_BYTE );
+ InsertES3FormatCombo(&set, GL_RGBA16UI, GL_RGBA_INTEGER, GL_UNSIGNED_SHORT );
+ InsertES3FormatCombo(&set, GL_RGBA16I, GL_RGBA_INTEGER, GL_SHORT );
+ InsertES3FormatCombo(&set, GL_RGBA32UI, GL_RGBA_INTEGER, GL_UNSIGNED_INT );
+ InsertES3FormatCombo(&set, GL_RGBA32I, GL_RGBA_INTEGER, GL_INT );
+ InsertES3FormatCombo(&set, GL_RGB10_A2UI, GL_RGBA_INTEGER, GL_UNSIGNED_INT_2_10_10_10_REV );
+ InsertES3FormatCombo(&set, GL_RGB8, GL_RGB, GL_UNSIGNED_BYTE );
+ InsertES3FormatCombo(&set, GL_RGB565, GL_RGB, GL_UNSIGNED_BYTE );
+ InsertES3FormatCombo(&set, GL_SRGB8, GL_RGB, GL_UNSIGNED_BYTE );
+ InsertES3FormatCombo(&set, GL_RGB8_SNORM, GL_RGB, GL_BYTE );
+ InsertES3FormatCombo(&set, GL_RGB565, GL_RGB, GL_UNSIGNED_SHORT_5_6_5 );
+ InsertES3FormatCombo(&set, GL_R11F_G11F_B10F, GL_RGB, GL_UNSIGNED_INT_10F_11F_11F_REV );
+ InsertES3FormatCombo(&set, GL_RGB9_E5, GL_RGB, GL_UNSIGNED_INT_5_9_9_9_REV );
+ InsertES3FormatCombo(&set, GL_RGB16F, GL_RGB, GL_HALF_FLOAT );
+ InsertES3FormatCombo(&set, GL_RGB16F, GL_RGB, GL_HALF_FLOAT_OES );
+ InsertES3FormatCombo(&set, GL_R11F_G11F_B10F, GL_RGB, GL_HALF_FLOAT );
+ InsertES3FormatCombo(&set, GL_R11F_G11F_B10F, GL_RGB, GL_HALF_FLOAT_OES );
+ InsertES3FormatCombo(&set, GL_RGB9_E5, GL_RGB, GL_HALF_FLOAT );
+ InsertES3FormatCombo(&set, GL_RGB9_E5, GL_RGB, GL_HALF_FLOAT_OES );
+ InsertES3FormatCombo(&set, GL_RGB32F, GL_RGB, GL_FLOAT );
+ InsertES3FormatCombo(&set, GL_RGB16F, GL_RGB, GL_FLOAT );
+ InsertES3FormatCombo(&set, GL_R11F_G11F_B10F, GL_RGB, GL_FLOAT );
+ InsertES3FormatCombo(&set, GL_RGB9_E5, GL_RGB, GL_FLOAT );
+ InsertES3FormatCombo(&set, GL_RGB8UI, GL_RGB_INTEGER, GL_UNSIGNED_BYTE );
+ InsertES3FormatCombo(&set, GL_RGB8I, GL_RGB_INTEGER, GL_BYTE );
+ InsertES3FormatCombo(&set, GL_RGB16UI, GL_RGB_INTEGER, GL_UNSIGNED_SHORT );
+ InsertES3FormatCombo(&set, GL_RGB16I, GL_RGB_INTEGER, GL_SHORT );
+ InsertES3FormatCombo(&set, GL_RGB32UI, GL_RGB_INTEGER, GL_UNSIGNED_INT );
+ InsertES3FormatCombo(&set, GL_RGB32I, GL_RGB_INTEGER, GL_INT );
+ InsertES3FormatCombo(&set, GL_RG8, GL_RG, GL_UNSIGNED_BYTE );
+ InsertES3FormatCombo(&set, GL_RG8_SNORM, GL_RG, GL_BYTE );
+ InsertES3FormatCombo(&set, GL_RG16F, GL_RG, GL_HALF_FLOAT );
+ InsertES3FormatCombo(&set, GL_RG16F, GL_RG, GL_HALF_FLOAT_OES );
+ InsertES3FormatCombo(&set, GL_RG32F, GL_RG, GL_FLOAT );
+ InsertES3FormatCombo(&set, GL_RG16F, GL_RG, GL_FLOAT );
+ InsertES3FormatCombo(&set, GL_RG8UI, GL_RG_INTEGER, GL_UNSIGNED_BYTE );
+ InsertES3FormatCombo(&set, GL_RG8I, GL_RG_INTEGER, GL_BYTE );
+ InsertES3FormatCombo(&set, GL_RG16UI, GL_RG_INTEGER, GL_UNSIGNED_SHORT );
+ InsertES3FormatCombo(&set, GL_RG16I, GL_RG_INTEGER, GL_SHORT );
+ InsertES3FormatCombo(&set, GL_RG32UI, GL_RG_INTEGER, GL_UNSIGNED_INT );
+ InsertES3FormatCombo(&set, GL_RG32I, GL_RG_INTEGER, GL_INT );
+ InsertES3FormatCombo(&set, GL_R8, GL_RED, GL_UNSIGNED_BYTE );
+ InsertES3FormatCombo(&set, GL_R8_SNORM, GL_RED, GL_BYTE );
+ InsertES3FormatCombo(&set, GL_R16F, GL_RED, GL_HALF_FLOAT );
+ InsertES3FormatCombo(&set, GL_R16F, GL_RED, GL_HALF_FLOAT_OES );
+ InsertES3FormatCombo(&set, GL_R32F, GL_RED, GL_FLOAT );
+ InsertES3FormatCombo(&set, GL_R16F, GL_RED, GL_FLOAT );
+ InsertES3FormatCombo(&set, GL_R8UI, GL_RED_INTEGER, GL_UNSIGNED_BYTE );
+ InsertES3FormatCombo(&set, GL_R8I, GL_RED_INTEGER, GL_BYTE );
+ InsertES3FormatCombo(&set, GL_R16UI, GL_RED_INTEGER, GL_UNSIGNED_SHORT );
+ InsertES3FormatCombo(&set, GL_R16I, GL_RED_INTEGER, GL_SHORT );
+ InsertES3FormatCombo(&set, GL_R32UI, GL_RED_INTEGER, GL_UNSIGNED_INT );
+ InsertES3FormatCombo(&set, GL_R32I, GL_RED_INTEGER, GL_INT );
+
+ // Unsized formats
+ InsertES3FormatCombo(&set, GL_RGBA, GL_RGBA, GL_UNSIGNED_BYTE );
+ InsertES3FormatCombo(&set, GL_RGBA, GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4 );
+ InsertES3FormatCombo(&set, GL_RGBA, GL_RGBA, GL_UNSIGNED_SHORT_5_5_5_1 );
+ InsertES3FormatCombo(&set, GL_RGB, GL_RGB, GL_UNSIGNED_BYTE );
+ InsertES3FormatCombo(&set, GL_RGB, GL_RGB, GL_UNSIGNED_SHORT_5_6_5 );
+ InsertES3FormatCombo(&set, GL_LUMINANCE_ALPHA, GL_LUMINANCE_ALPHA, GL_UNSIGNED_BYTE );
+ InsertES3FormatCombo(&set, GL_LUMINANCE, GL_LUMINANCE, GL_UNSIGNED_BYTE );
+ InsertES3FormatCombo(&set, GL_ALPHA, GL_ALPHA, GL_UNSIGNED_BYTE );
+ InsertES3FormatCombo(&set, GL_SRGB_ALPHA_EXT, GL_SRGB_ALPHA_EXT, GL_UNSIGNED_BYTE );
+ InsertES3FormatCombo(&set, GL_SRGB_EXT, GL_SRGB_EXT, GL_UNSIGNED_BYTE );
+ InsertES3FormatCombo(&set, GL_RG, GL_RG, GL_UNSIGNED_BYTE );
+ InsertES3FormatCombo(&set, GL_RG, GL_RG, GL_FLOAT );
+ InsertES3FormatCombo(&set, GL_RG, GL_RG, GL_HALF_FLOAT );
+ InsertES3FormatCombo(&set, GL_RG, GL_RG, GL_HALF_FLOAT_OES );
+ InsertES3FormatCombo(&set, GL_RED, GL_RED, GL_UNSIGNED_BYTE );
+ InsertES3FormatCombo(&set, GL_RED, GL_RED, GL_FLOAT );
+ InsertES3FormatCombo(&set, GL_RED, GL_RED, GL_HALF_FLOAT );
+ InsertES3FormatCombo(&set, GL_RED, GL_RED, GL_HALF_FLOAT_OES );
+ InsertES3FormatCombo(&set, GL_DEPTH_STENCIL, GL_DEPTH_STENCIL, GL_UNSIGNED_INT_24_8 );
+
+ // Depth stencil formats
+ InsertES3FormatCombo(&set, GL_DEPTH_COMPONENT16, GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT );
+ InsertES3FormatCombo(&set, GL_DEPTH_COMPONENT24, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT );
+ InsertES3FormatCombo(&set, GL_DEPTH_COMPONENT16, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT );
+ InsertES3FormatCombo(&set, GL_DEPTH_COMPONENT32F, GL_DEPTH_COMPONENT, GL_FLOAT );
+ InsertES3FormatCombo(&set, GL_DEPTH24_STENCIL8, GL_DEPTH_STENCIL, GL_UNSIGNED_INT_24_8 );
+ InsertES3FormatCombo(&set, GL_DEPTH32F_STENCIL8, GL_DEPTH_STENCIL, GL_FLOAT_32_UNSIGNED_INT_24_8_REV);
+
+ // From GL_EXT_sRGB
+ InsertES3FormatCombo(&set, GL_SRGB8_ALPHA8_EXT, GL_SRGB_ALPHA_EXT, GL_UNSIGNED_BYTE );
+ InsertES3FormatCombo(&set, GL_SRGB8, GL_SRGB_EXT, GL_UNSIGNED_BYTE );
+
+ // From GL_OES_texture_float
+ InsertES3FormatCombo(&set, GL_RGBA, GL_RGBA, GL_FLOAT );
+ InsertES3FormatCombo(&set, GL_RGB, GL_RGB, GL_FLOAT );
+ InsertES3FormatCombo(&set, GL_LUMINANCE_ALPHA, GL_LUMINANCE_ALPHA, GL_FLOAT );
+ InsertES3FormatCombo(&set, GL_LUMINANCE, GL_LUMINANCE, GL_FLOAT );
+ InsertES3FormatCombo(&set, GL_ALPHA, GL_ALPHA, GL_FLOAT );
+
+ // From GL_OES_texture_half_float
+ InsertES3FormatCombo(&set, GL_RGBA, GL_RGBA, GL_HALF_FLOAT_OES );
+ InsertES3FormatCombo(&set, GL_RGB, GL_RGB, GL_HALF_FLOAT_OES );
+ InsertES3FormatCombo(&set, GL_LUMINANCE_ALPHA, GL_LUMINANCE_ALPHA, GL_HALF_FLOAT );
+ InsertES3FormatCombo(&set, GL_LUMINANCE_ALPHA, GL_LUMINANCE_ALPHA, GL_HALF_FLOAT_OES );
+ InsertES3FormatCombo(&set, GL_LUMINANCE, GL_LUMINANCE, GL_HALF_FLOAT );
+ InsertES3FormatCombo(&set, GL_LUMINANCE, GL_LUMINANCE, GL_HALF_FLOAT_OES );
+ InsertES3FormatCombo(&set, GL_ALPHA, GL_ALPHA, GL_HALF_FLOAT );
+ InsertES3FormatCombo(&set, GL_ALPHA, GL_ALPHA, GL_HALF_FLOAT_OES );
+
+ // From GL_EXT_texture_format_BGRA8888
+ InsertES3FormatCombo(&set, GL_BGRA_EXT, GL_BGRA_EXT, GL_UNSIGNED_BYTE );
+
+ // From GL_EXT_texture_storage
+ // | Internal format | Format | Type |
+ // | | | |
+ InsertES3FormatCombo(&set, GL_ALPHA8_EXT, GL_ALPHA, GL_UNSIGNED_BYTE );
+ InsertES3FormatCombo(&set, GL_LUMINANCE8_EXT, GL_LUMINANCE, GL_UNSIGNED_BYTE );
+ InsertES3FormatCombo(&set, GL_LUMINANCE8_ALPHA8_EXT, GL_LUMINANCE_ALPHA, GL_UNSIGNED_BYTE );
+ InsertES3FormatCombo(&set, GL_ALPHA32F_EXT, GL_ALPHA, GL_FLOAT );
+ InsertES3FormatCombo(&set, GL_LUMINANCE32F_EXT, GL_LUMINANCE, GL_FLOAT );
+ InsertES3FormatCombo(&set, GL_LUMINANCE_ALPHA32F_EXT, GL_LUMINANCE_ALPHA, GL_FLOAT );
+ InsertES3FormatCombo(&set, GL_ALPHA16F_EXT, GL_ALPHA, GL_HALF_FLOAT );
+ InsertES3FormatCombo(&set, GL_ALPHA16F_EXT, GL_ALPHA, GL_HALF_FLOAT_OES );
+ InsertES3FormatCombo(&set, GL_LUMINANCE16F_EXT, GL_LUMINANCE, GL_HALF_FLOAT );
+ InsertES3FormatCombo(&set, GL_LUMINANCE16F_EXT, GL_LUMINANCE, GL_HALF_FLOAT_OES );
+ InsertES3FormatCombo(&set, GL_LUMINANCE_ALPHA16F_EXT, GL_LUMINANCE_ALPHA, GL_HALF_FLOAT );
+ InsertES3FormatCombo(&set, GL_LUMINANCE_ALPHA16F_EXT, GL_LUMINANCE_ALPHA, GL_HALF_FLOAT_OES );
+
+ // From GL_EXT_texture_storage and GL_EXT_texture_format_BGRA8888
+ InsertES3FormatCombo(&set, GL_BGRA8_EXT, GL_BGRA_EXT, GL_UNSIGNED_BYTE );
+ InsertES3FormatCombo(&set, GL_BGRA4_ANGLEX, GL_BGRA_EXT, GL_UNSIGNED_SHORT_4_4_4_4_REV_EXT);
+ InsertES3FormatCombo(&set, GL_BGRA4_ANGLEX, GL_BGRA_EXT, GL_UNSIGNED_BYTE );
+ InsertES3FormatCombo(&set, GL_BGR5_A1_ANGLEX, GL_BGRA_EXT, GL_UNSIGNED_SHORT_1_5_5_5_REV_EXT);
+ InsertES3FormatCombo(&set, GL_BGR5_A1_ANGLEX, GL_BGRA_EXT, GL_UNSIGNED_BYTE );
+
+ // From GL_ANGLE_depth_texture and OES_depth_texture
+ InsertES3FormatCombo(&set, GL_DEPTH_COMPONENT32_OES, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT_24_8_OES );
+ InsertES3FormatCombo(&set, GL_DEPTH_COMPONENT, GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT );
+ InsertES3FormatCombo(&set, GL_DEPTH_COMPONENT, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT );
+
+ // From GL_EXT_texture_norm16
+ InsertES3FormatCombo(&set, GL_R16_EXT, GL_RED, GL_UNSIGNED_SHORT);
+ InsertES3FormatCombo(&set, GL_RG16_EXT, GL_RG, GL_UNSIGNED_SHORT);
+ InsertES3FormatCombo(&set, GL_RGB16_EXT, GL_RGB, GL_UNSIGNED_SHORT);
+ InsertES3FormatCombo(&set, GL_RGBA16_EXT, GL_RGBA, GL_UNSIGNED_SHORT);
+ InsertES3FormatCombo(&set, GL_R16_SNORM_EXT, GL_RED, GL_SHORT);
+ InsertES3FormatCombo(&set, GL_RG16_SNORM_EXT, GL_RG, GL_SHORT);
+ InsertES3FormatCombo(&set, GL_RGB16_SNORM_EXT, GL_RGB, GL_SHORT);
+ InsertES3FormatCombo(&set, GL_RGBA16_SNORM_EXT, GL_RGBA, GL_SHORT);
+ // clang-format on
+
+ return set;
+}
+
static bool ValidateTexImageFormatCombination(gl::Context *context, GLenum internalFormat, GLenum format, GLenum type)
{
// For historical reasons, glTexImage2D and glTexImage3D pass in their internal format as a
@@ -31,21 +226,54 @@ static bool ValidateTexImageFormatCombination(gl::Context *context, GLenum inter
// error instead of a GL_INVALID_ENUM error. As this validation function is only called in
// the validation codepaths for glTexImage2D/3D, we record a GL_INVALID_VALUE error.
const gl::InternalFormat &formatInfo = gl::GetInternalFormatInfo(internalFormat);
- if (!formatInfo.textureSupport(context->getClientVersion(), context->getExtensions()))
+ if (!formatInfo.textureSupport(context->getClientMajorVersion(), context->getExtensions()))
{
context->handleError(Error(GL_INVALID_VALUE));
return false;
}
// The type and format are valid if any supported internal format has that type and format
- if (!ValidES3Format(format) || !ValidES3Type(type))
+ bool formatSupported = false;
+ bool typeSupported = false;
+
+ static const ES3FormatCombinationSet es3FormatSet = BuildES3FormatSet();
+ for (ES3FormatCombinationSet::const_iterator i = es3FormatSet.begin(); i != es3FormatSet.end(); i++)
+ {
+ if (i->format == format || i->type == type)
+ {
+ const gl::InternalFormat &info = gl::GetInternalFormatInfo(i->internalFormat);
+ bool supported =
+ info.textureSupport(context->getClientMajorVersion(), context->getExtensions());
+ if (supported && i->type == type)
+ {
+ typeSupported = true;
+ }
+ if (supported && i->format == format)
+ {
+ formatSupported = true;
+ }
+
+ // Early-out if both type and format are supported now
+ if (typeSupported && formatSupported)
+ {
+ break;
+ }
+ }
+ }
+
+ if (!typeSupported || !formatSupported)
{
context->handleError(Error(GL_INVALID_ENUM));
return false;
}
// Check if this is a valid format combination to load texture data
- if (!ValidES3FormatCombination(format, type, internalFormat))
+ ES3FormatCombination searchFormat;
+ searchFormat.internalFormat = internalFormat;
+ searchFormat.format = format;
+ searchFormat.type = type;
+
+ if (es3FormatSet.find(searchFormat) == es3FormatSet.end())
{
context->handleError(Error(GL_INVALID_OPERATION));
return false;
@@ -69,7 +297,6 @@ bool ValidateES3TexImageParametersBase(Context *context,
GLint border,
GLenum format,
GLenum type,
- GLsizei imageSize,
const GLvoid *pixels)
{
// Validate image size
@@ -168,12 +395,6 @@ bool ValidateES3TexImageParametersBase(Context *context,
// Validate texture formats
GLenum actualInternalFormat =
isSubImage ? texture->getFormat(target, level).asSized() : internalformat;
- if (isSubImage && actualInternalFormat == GL_NONE)
- {
- context->handleError(Error(GL_INVALID_OPERATION, "Texture level does not exist."));
- return false;
- }
-
const gl::InternalFormat &actualFormatInfo = gl::GetInternalFormatInfo(actualInternalFormat);
if (isCompressed)
{
@@ -190,7 +411,8 @@ bool ValidateES3TexImageParametersBase(Context *context,
return false;
}
- if (!actualFormatInfo.textureSupport(context->getClientVersion(), context->getExtensions()))
+ if (!actualFormatInfo.textureSupport(context->getClientMajorVersion(),
+ context->getExtensions()))
{
context->handleError(Error(GL_INVALID_ENUM));
return false;
@@ -253,27 +475,70 @@ bool ValidateES3TexImageParametersBase(Context *context,
}
}
- if (!ValidImageDataSize(context, target, width, height, 1, actualInternalFormat, type, pixels,
- imageSize))
- {
- return false;
- }
-
// Check for pixel unpack buffer related API errors
gl::Buffer *pixelUnpackBuffer = context->getGLState().getTargetBuffer(GL_PIXEL_UNPACK_BUFFER);
- if (pixelUnpackBuffer != nullptr)
+ if (pixelUnpackBuffer != NULL)
{
+ // ...the data would be unpacked from the buffer object such that the memory reads required
+ // would exceed the data store size.
+ GLenum sizedFormat = GetSizedInternalFormat(actualInternalFormat, type);
+ const gl::InternalFormat &formatInfo = gl::GetInternalFormatInfo(sizedFormat);
+ const gl::Extents size(width, height, depth);
+ const auto &unpack = context->getGLState().getUnpackState();
+
+ auto copyBytesOrErr = formatInfo.computeUnpackSize(type, size, unpack);
+ if (copyBytesOrErr.isError())
+ {
+ context->handleError(copyBytesOrErr.getError());
+ return false;
+ }
+ CheckedNumeric<size_t> checkedCopyBytes(copyBytesOrErr.getResult());
+ CheckedNumeric<size_t> checkedOffset(reinterpret_cast<size_t>(pixels));
+ checkedCopyBytes += checkedOffset;
+
+ auto rowPitchOrErr =
+ formatInfo.computeRowPitch(type, width, unpack.alignment, unpack.rowLength);
+ if (rowPitchOrErr.isError())
+ {
+ context->handleError(rowPitchOrErr.getError());
+ return false;
+ }
+ auto depthPitchOrErr = formatInfo.computeDepthPitch(type, width, height, unpack.alignment,
+ unpack.rowLength, unpack.imageHeight);
+ if (depthPitchOrErr.isError())
+ {
+ context->handleError(depthPitchOrErr.getError());
+ return false;
+ }
+
+ bool targetIs3D = target == GL_TEXTURE_3D || target == GL_TEXTURE_2D_ARRAY;
+ auto skipBytesOrErr = formatInfo.computeSkipBytes(
+ rowPitchOrErr.getResult(), depthPitchOrErr.getResult(), unpack.skipImages,
+ unpack.skipRows, unpack.skipPixels, targetIs3D);
+ if (skipBytesOrErr.isError())
+ {
+ context->handleError(skipBytesOrErr.getError());
+ return false;
+ }
+ checkedCopyBytes += skipBytesOrErr.getResult();
+
+ if (!checkedCopyBytes.IsValid() ||
+ (checkedCopyBytes.ValueOrDie() > static_cast<size_t>(pixelUnpackBuffer->getSize())))
+ {
+ // Overflow past the end of the buffer
+ context->handleError(Error(GL_INVALID_OPERATION));
+ return false;
+ }
+
// ...data is not evenly divisible into the number of bytes needed to store in memory a datum
// indicated by type.
if (!isCompressed)
{
- size_t offset = reinterpret_cast<size_t>(pixels);
size_t dataBytesPerPixel = static_cast<size_t>(gl::GetTypeInfo(type).bytes);
- if ((offset % dataBytesPerPixel) != 0)
+ if ((checkedOffset.ValueOrDie() % dataBytesPerPixel) != 0)
{
- context->handleError(
- Error(GL_INVALID_OPERATION, "Reads would overflow the pixel unpack buffer."));
+ context->handleError(Error(GL_INVALID_OPERATION));
return false;
}
}
@@ -281,7 +546,7 @@ bool ValidateES3TexImageParametersBase(Context *context,
// ...the buffer object's data store is currently mapped.
if (pixelUnpackBuffer->isMapped())
{
- context->handleError(Error(GL_INVALID_OPERATION, "Pixel unpack buffer is mapped."));
+ context->handleError(Error(GL_INVALID_OPERATION));
return false;
}
}
@@ -304,7 +569,6 @@ bool ValidateES3TexImage2DParameters(Context *context,
GLint border,
GLenum format,
GLenum type,
- GLsizei imageSize,
const GLvoid *pixels)
{
if (!ValidTexture2DDestinationTarget(context, target))
@@ -315,7 +579,7 @@ bool ValidateES3TexImage2DParameters(Context *context,
return ValidateES3TexImageParametersBase(context, target, level, internalformat, isCompressed,
isSubImage, xoffset, yoffset, zoffset, width, height,
- depth, border, format, type, imageSize, pixels);
+ depth, border, format, type, pixels);
}
bool ValidateES3TexImage3DParameters(Context *context,
@@ -333,7 +597,6 @@ bool ValidateES3TexImage3DParameters(Context *context,
GLint border,
GLenum format,
GLenum type,
- GLsizei bufSize,
const GLvoid *pixels)
{
if (!ValidTexture3DDestinationTarget(context, target))
@@ -344,115 +607,169 @@ bool ValidateES3TexImage3DParameters(Context *context,
return ValidateES3TexImageParametersBase(context, target, level, internalformat, isCompressed,
isSubImage, xoffset, yoffset, zoffset, width, height,
- depth, border, format, type, bufSize, pixels);
+ depth, border, format, type, pixels);
}
struct EffectiveInternalFormatInfo
{
- GLenum effectiveFormat;
- GLenum destFormat;
- GLuint minRedBits;
- GLuint maxRedBits;
- GLuint minGreenBits;
- GLuint maxGreenBits;
- GLuint minBlueBits;
- GLuint maxBlueBits;
- GLuint minAlphaBits;
- GLuint maxAlphaBits;
+ GLenum mEffectiveFormat;
+ GLenum mDestFormat;
+ GLuint mMinRedBits;
+ GLuint mMaxRedBits;
+ GLuint mMinGreenBits;
+ GLuint mMaxGreenBits;
+ GLuint mMinBlueBits;
+ GLuint mMaxBlueBits;
+ GLuint mMinAlphaBits;
+ GLuint mMaxAlphaBits;
+
+ EffectiveInternalFormatInfo(GLenum effectiveFormat, GLenum destFormat, GLuint minRedBits, GLuint maxRedBits,
+ GLuint minGreenBits, GLuint maxGreenBits, GLuint minBlueBits, GLuint maxBlueBits,
+ GLuint minAlphaBits, GLuint maxAlphaBits)
+ : mEffectiveFormat(effectiveFormat), mDestFormat(destFormat), mMinRedBits(minRedBits),
+ mMaxRedBits(maxRedBits), mMinGreenBits(minGreenBits), mMaxGreenBits(maxGreenBits),
+ mMinBlueBits(minBlueBits), mMaxBlueBits(maxBlueBits), mMinAlphaBits(minAlphaBits),
+ mMaxAlphaBits(maxAlphaBits) {};
};
-static bool QueryEffectiveFormatList(const InternalFormat &srcFormat,
- GLenum targetFormat,
- const EffectiveInternalFormatInfo *list,
- size_t size,
- GLenum *outEffectiveFormat)
-{
- for (size_t curFormat = 0; curFormat < size; ++curFormat)
- {
- const EffectiveInternalFormatInfo &formatInfo = list[curFormat];
- if ((formatInfo.destFormat == targetFormat) &&
- (formatInfo.minRedBits <= srcFormat.redBits &&
- formatInfo.maxRedBits >= srcFormat.redBits) &&
- (formatInfo.minGreenBits <= srcFormat.greenBits &&
- formatInfo.maxGreenBits >= srcFormat.greenBits) &&
- (formatInfo.minBlueBits <= srcFormat.blueBits &&
- formatInfo.maxBlueBits >= srcFormat.blueBits) &&
- (formatInfo.minAlphaBits <= srcFormat.alphaBits &&
- formatInfo.maxAlphaBits >= srcFormat.alphaBits))
- {
- *outEffectiveFormat = formatInfo.effectiveFormat;
- return true;
- }
- }
+typedef std::vector<EffectiveInternalFormatInfo> EffectiveInternalFormatList;
- *outEffectiveFormat = GL_NONE;
- return false;
-}
-
-bool GetSizedEffectiveInternalFormatInfo(const InternalFormat &srcFormat,
- GLenum *outEffectiveFormat)
+static EffectiveInternalFormatList BuildSizedEffectiveInternalFormatList()
{
- // OpenGL ES 3.0.3 Specification, Table 3.17, pg 141:
- // Effective internal format coresponding to destination internal format and linear source
- // buffer component sizes.
- // | Source channel min/max sizes |
- // Effective Internal Format | N/A | R | G | B | A |
- // clang-format off
- constexpr EffectiveInternalFormatInfo list[] = {
- { GL_ALPHA8_EXT, GL_NONE, 0, 0, 0, 0, 0, 0, 1, 8 },
- { GL_R8, GL_NONE, 1, 8, 0, 0, 0, 0, 0, 0 },
- { GL_RG8, GL_NONE, 1, 8, 1, 8, 0, 0, 0, 0 },
- { GL_RGB565, GL_NONE, 1, 5, 1, 6, 1, 5, 0, 0 },
- { GL_RGB8, GL_NONE, 6, 8, 7, 8, 6, 8, 0, 0 },
- { GL_RGBA4, GL_NONE, 1, 4, 1, 4, 1, 4, 1, 4 },
- { GL_RGB5_A1, GL_NONE, 5, 5, 5, 5, 5, 5, 1, 1 },
- { GL_RGBA8, GL_NONE, 5, 8, 5, 8, 5, 8, 2, 8 },
- { GL_RGB10_A2, GL_NONE, 9, 10, 9, 10, 9, 10, 2, 2 },
- };
- // clang-format on
+ EffectiveInternalFormatList list;
- return QueryEffectiveFormatList(srcFormat, GL_NONE, list, ArraySize(list), outEffectiveFormat);
+ // OpenGL ES 3.0.3 Specification, Table 3.17, pg 141: Effective internal format coresponding to destination internal format and
+ // linear source buffer component sizes.
+ // | Source channel min/max sizes |
+ // Effective Internal Format | N/A | R | G | B | A |
+ list.push_back(EffectiveInternalFormatInfo(GL_ALPHA8_EXT, GL_NONE, 0, 0, 0, 0, 0, 0, 1, 8));
+ list.push_back(EffectiveInternalFormatInfo(GL_R8, GL_NONE, 1, 8, 0, 0, 0, 0, 0, 0));
+ list.push_back(EffectiveInternalFormatInfo(GL_RG8, GL_NONE, 1, 8, 1, 8, 0, 0, 0, 0));
+ list.push_back(EffectiveInternalFormatInfo(GL_RGB565, GL_NONE, 1, 5, 1, 6, 1, 5, 0, 0));
+ list.push_back(EffectiveInternalFormatInfo(GL_RGB8, GL_NONE, 6, 8, 7, 8, 6, 8, 0, 0));
+ list.push_back(EffectiveInternalFormatInfo(GL_RGBA4, GL_NONE, 1, 4, 1, 4, 1, 4, 1, 4));
+ list.push_back(EffectiveInternalFormatInfo(GL_RGB5_A1, GL_NONE, 5, 5, 5, 5, 5, 5, 1, 1));
+ list.push_back(EffectiveInternalFormatInfo(GL_RGBA8, GL_NONE, 5, 8, 5, 8, 5, 8, 2, 8));
+ list.push_back(EffectiveInternalFormatInfo(GL_RGB10_A2, GL_NONE, 9, 10, 9, 10, 9, 10, 2, 2));
+
+ return list;
}
-bool GetUnsizedEffectiveInternalFormatInfo(const InternalFormat &srcFormat,
- const InternalFormat &destFormat,
- GLenum *outEffectiveFormat)
+static EffectiveInternalFormatList BuildUnsizedEffectiveInternalFormatList()
{
- constexpr GLuint umax = UINT_MAX;
+ EffectiveInternalFormatList list;
- // OpenGL ES 3.0.3 Specification, Table 3.17, pg 141:
- // Effective internal format coresponding to destination internal format andlinear source buffer
- // component sizes.
- // | Source channel min/max sizes |
- // Effective Internal Format | Dest Format | R | G | B | A |
- // clang-format off
- constexpr EffectiveInternalFormatInfo list[] = {
- { GL_ALPHA8_EXT, GL_ALPHA, 0, umax, 0, umax, 0, umax, 1, 8 },
- { GL_LUMINANCE8_EXT, GL_LUMINANCE, 1, 8, 0, umax, 0, umax, 0, umax },
- { GL_LUMINANCE8_ALPHA8_EXT, GL_LUMINANCE_ALPHA, 1, 8, 0, umax, 0, umax, 1, 8 },
- { GL_RGB565, GL_RGB, 1, 5, 1, 6, 1, 5, 0, umax },
- { GL_RGB8, GL_RGB, 6, 8, 7, 8, 6, 8, 0, umax },
- { GL_RGBA4, GL_RGBA, 1, 4, 1, 4, 1, 4, 1, 4 },
- { GL_RGB5_A1, GL_RGBA, 5, 5, 5, 5, 5, 5, 1, 1 },
- { GL_RGBA8, GL_RGBA, 5, 8, 5, 8, 5, 8, 5, 8 },
- };
- // clang-format on
+ // OpenGL ES 3.0.3 Specification, Table 3.17, pg 141: Effective internal format coresponding to destination internal format and
+ // linear source buffer component sizes.
+ // | Source channel min/max sizes |
+ // Effective Internal Format | Dest Format | R | G | B | A |
+ list.push_back(EffectiveInternalFormatInfo(GL_ALPHA8_EXT, GL_ALPHA, 0, UINT_MAX, 0, UINT_MAX, 0, UINT_MAX, 1, 8));
+ list.push_back(EffectiveInternalFormatInfo(GL_LUMINANCE8_EXT, GL_LUMINANCE, 1, 8, 0, UINT_MAX, 0, UINT_MAX, 0, UINT_MAX));
+ list.push_back(EffectiveInternalFormatInfo(GL_LUMINANCE8_ALPHA8_EXT, GL_LUMINANCE_ALPHA, 1, 8, 0, UINT_MAX, 0, UINT_MAX, 1, 8));
+ list.push_back(EffectiveInternalFormatInfo(GL_RGB565, GL_RGB, 1, 5, 1, 6, 1, 5, 0, UINT_MAX));
+ list.push_back(EffectiveInternalFormatInfo(GL_RGB8, GL_RGB, 6, 8, 7, 8, 6, 8, 0, UINT_MAX));
+ list.push_back(EffectiveInternalFormatInfo(GL_RGBA4, GL_RGBA, 1, 4, 1, 4, 1, 4, 1, 4));
+ list.push_back(EffectiveInternalFormatInfo(GL_RGB5_A1, GL_RGBA, 5, 5, 5, 5, 5, 5, 1, 1));
+ list.push_back(EffectiveInternalFormatInfo(GL_RGBA8, GL_RGBA, 5, 8, 5, 8, 5, 8, 5, 8));
- return QueryEffectiveFormatList(srcFormat, destFormat.format, list, ArraySize(list),
- outEffectiveFormat);
+ return list;
}
static bool GetEffectiveInternalFormat(const InternalFormat &srcFormat, const InternalFormat &destFormat,
GLenum *outEffectiveFormat)
{
+ const EffectiveInternalFormatList *list = NULL;
+ GLenum targetFormat = GL_NONE;
+
if (destFormat.pixelBytes > 0)
{
- return GetSizedEffectiveInternalFormatInfo(srcFormat, outEffectiveFormat);
+ static const EffectiveInternalFormatList sizedList = BuildSizedEffectiveInternalFormatList();
+ list = &sizedList;
}
else
{
- return GetUnsizedEffectiveInternalFormatInfo(srcFormat, destFormat, outEffectiveFormat);
+ static const EffectiveInternalFormatList unsizedList = BuildUnsizedEffectiveInternalFormatList();
+ list = &unsizedList;
+ targetFormat = destFormat.format;
}
+
+ for (size_t curFormat = 0; curFormat < list->size(); ++curFormat)
+ {
+ const EffectiveInternalFormatInfo& formatInfo = list->at(curFormat);
+ if ((formatInfo.mDestFormat == targetFormat) &&
+ (formatInfo.mMinRedBits <= srcFormat.redBits && formatInfo.mMaxRedBits >= srcFormat.redBits) &&
+ (formatInfo.mMinGreenBits <= srcFormat.greenBits && formatInfo.mMaxGreenBits >= srcFormat.greenBits) &&
+ (formatInfo.mMinBlueBits <= srcFormat.blueBits && formatInfo.mMaxBlueBits >= srcFormat.blueBits) &&
+ (formatInfo.mMinAlphaBits <= srcFormat.alphaBits && formatInfo.mMaxAlphaBits >= srcFormat.alphaBits))
+ {
+ *outEffectiveFormat = formatInfo.mEffectiveFormat;
+ return true;
+ }
+ }
+
+ return false;
+}
+
+struct CopyConversion
+{
+ GLenum mTextureFormat;
+ GLenum mFramebufferFormat;
+
+ CopyConversion(GLenum textureFormat, GLenum framebufferFormat)
+ : mTextureFormat(textureFormat), mFramebufferFormat(framebufferFormat) { }
+
+ bool operator<(const CopyConversion& other) const
+ {
+ return memcmp(this, &other, sizeof(CopyConversion)) < 0;
+ }
+};
+
+typedef std::set<CopyConversion> CopyConversionSet;
+
+static CopyConversionSet BuildValidES3CopyTexImageCombinations()
+{
+ CopyConversionSet set;
+
+ // From ES 3.0.1 spec, table 3.15
+ set.insert(CopyConversion(GL_ALPHA, GL_RGBA));
+ set.insert(CopyConversion(GL_LUMINANCE, GL_RED));
+ set.insert(CopyConversion(GL_LUMINANCE, GL_RG));
+ set.insert(CopyConversion(GL_LUMINANCE, GL_RGB));
+ set.insert(CopyConversion(GL_LUMINANCE, GL_RGBA));
+ set.insert(CopyConversion(GL_LUMINANCE_ALPHA, GL_RGBA));
+ set.insert(CopyConversion(GL_RED, GL_RED));
+ set.insert(CopyConversion(GL_RED, GL_RG));
+ set.insert(CopyConversion(GL_RED, GL_RGB));
+ set.insert(CopyConversion(GL_RED, GL_RGBA));
+ set.insert(CopyConversion(GL_RG, GL_RG));
+ set.insert(CopyConversion(GL_RG, GL_RGB));
+ set.insert(CopyConversion(GL_RG, GL_RGBA));
+ set.insert(CopyConversion(GL_RGB, GL_RGB));
+ set.insert(CopyConversion(GL_RGB, GL_RGBA));
+ set.insert(CopyConversion(GL_RGBA, GL_RGBA));
+
+ // Necessary for ANGLE back-buffers
+ set.insert(CopyConversion(GL_ALPHA, GL_BGRA_EXT));
+ set.insert(CopyConversion(GL_LUMINANCE, GL_BGRA_EXT));
+ set.insert(CopyConversion(GL_LUMINANCE_ALPHA, GL_BGRA_EXT));
+ set.insert(CopyConversion(GL_RED, GL_BGRA_EXT));
+ set.insert(CopyConversion(GL_RG, GL_BGRA_EXT));
+ set.insert(CopyConversion(GL_RGB, GL_BGRA_EXT));
+ set.insert(CopyConversion(GL_RGBA, GL_BGRA_EXT));
+ set.insert(CopyConversion(GL_BGRA_EXT, GL_BGRA_EXT));
+
+ set.insert(CopyConversion(GL_RED_INTEGER, GL_RED_INTEGER));
+ set.insert(CopyConversion(GL_RED_INTEGER, GL_RG_INTEGER));
+ set.insert(CopyConversion(GL_RED_INTEGER, GL_RGB_INTEGER));
+ set.insert(CopyConversion(GL_RED_INTEGER, GL_RGBA_INTEGER));
+ set.insert(CopyConversion(GL_RG_INTEGER, GL_RG_INTEGER));
+ set.insert(CopyConversion(GL_RG_INTEGER, GL_RGB_INTEGER));
+ set.insert(CopyConversion(GL_RG_INTEGER, GL_RGBA_INTEGER));
+ set.insert(CopyConversion(GL_RGB_INTEGER, GL_RGB_INTEGER));
+ set.insert(CopyConversion(GL_RGB_INTEGER, GL_RGBA_INTEGER));
+ set.insert(CopyConversion(GL_RGBA_INTEGER, GL_RGBA_INTEGER));
+
+ return set;
}
static bool EqualOrFirstZero(GLuint first, GLuint second)
@@ -467,129 +784,129 @@ static bool IsValidES3CopyTexImageCombination(const Format &textureFormat,
const auto &textureFormatInfo = *textureFormat.info;
const auto &framebufferFormatInfo = *framebufferFormat.info;
- if (!ValidES3CopyConversion(textureFormatInfo.format, framebufferFormatInfo.format))
+ static const CopyConversionSet conversionSet = BuildValidES3CopyTexImageCombinations();
+ if (conversionSet.find(CopyConversion(textureFormatInfo.format,
+ framebufferFormatInfo.format)) != conversionSet.end())
{
- return false;
- }
-
- // Section 3.8.5 of the GLES 3.0.3 spec states that source and destination formats
- // must both be signed, unsigned, or fixed point and both source and destinations
- // must be either both SRGB or both not SRGB. EXT_color_buffer_float adds allowed
- // conversion between fixed and floating point.
+ // Section 3.8.5 of the GLES 3.0.3 spec states that source and destination formats
+ // must both be signed, unsigned, or fixed point and both source and destinations
+ // must be either both SRGB or both not SRGB. EXT_color_buffer_float adds allowed
+ // conversion between fixed and floating point.
- if ((textureFormatInfo.colorEncoding == GL_SRGB) !=
- (framebufferFormatInfo.colorEncoding == GL_SRGB))
- {
- return false;
- }
-
- if (((textureFormatInfo.componentType == GL_INT) !=
- (framebufferFormatInfo.componentType == GL_INT)) ||
- ((textureFormatInfo.componentType == GL_UNSIGNED_INT) !=
- (framebufferFormatInfo.componentType == GL_UNSIGNED_INT)))
- {
- return false;
- }
-
- if ((textureFormatInfo.componentType == GL_UNSIGNED_NORMALIZED ||
- textureFormatInfo.componentType == GL_SIGNED_NORMALIZED ||
- textureFormatInfo.componentType == GL_FLOAT) &&
- !(framebufferFormatInfo.componentType == GL_UNSIGNED_NORMALIZED ||
- framebufferFormatInfo.componentType == GL_SIGNED_NORMALIZED ||
- framebufferFormatInfo.componentType == GL_FLOAT))
- {
- return false;
- }
+ if ((textureFormatInfo.colorEncoding == GL_SRGB) !=
+ (framebufferFormatInfo.colorEncoding == GL_SRGB))
+ {
+ return false;
+ }
- // GLES specification 3.0.3, sec 3.8.5, pg 139-140:
- // The effective internal format of the source buffer is determined with the following rules
- // applied in order:
- // * If the source buffer is a texture or renderbuffer that was created with a sized internal
- // format then the effective internal format is the source buffer's sized internal format.
- // * If the source buffer is a texture that was created with an unsized base internal format,
- // then the effective internal format is the source image array's effective internal
- // format, as specified by table 3.12, which is determined from the <format> and <type>
- // that were used when the source image array was specified by TexImage*.
- // * Otherwise the effective internal format is determined by the row in table 3.17 or 3.18
- // where Destination Internal Format matches internalformat and where the [source channel
- // sizes] are consistent with the values of the source buffer's [channel sizes]. Table 3.17
- // is used if the FRAMEBUFFER_ATTACHMENT_ENCODING is LINEAR and table 3.18 is used if the
- // FRAMEBUFFER_ATTACHMENT_ENCODING is SRGB.
- const InternalFormat *sourceEffectiveFormat = NULL;
- if (readBufferHandle != 0)
- {
- // Not the default framebuffer, therefore the read buffer must be a user-created texture or
- // renderbuffer
- if (framebufferFormat.sized)
+ if (((textureFormatInfo.componentType == GL_INT) !=
+ (framebufferFormatInfo.componentType == GL_INT)) ||
+ ((textureFormatInfo.componentType == GL_UNSIGNED_INT) !=
+ (framebufferFormatInfo.componentType == GL_UNSIGNED_INT)))
{
- sourceEffectiveFormat = &framebufferFormatInfo;
+ return false;
}
- else
+
+ if ((textureFormatInfo.componentType == GL_UNSIGNED_NORMALIZED ||
+ textureFormatInfo.componentType == GL_SIGNED_NORMALIZED ||
+ textureFormatInfo.componentType == GL_FLOAT) &&
+ !(framebufferFormatInfo.componentType == GL_UNSIGNED_NORMALIZED ||
+ framebufferFormatInfo.componentType == GL_SIGNED_NORMALIZED ||
+ framebufferFormatInfo.componentType == GL_FLOAT))
{
- // Renderbuffers cannot be created with an unsized internal format, so this must be an
- // unsized-format texture. We can use the same table we use when creating textures to
- // get its effective sized format.
- GLenum sizedInternalFormat =
- GetSizedInternalFormat(framebufferFormatInfo.format, framebufferFormatInfo.type);
- sourceEffectiveFormat = &GetInternalFormatInfo(sizedInternalFormat);
+ return false;
}
- }
- else
- {
- // The effective internal format must be derived from the source framebuffer's channel
- // sizes. This is done in GetEffectiveInternalFormat for linear buffers (table 3.17)
- if (framebufferFormatInfo.colorEncoding == GL_LINEAR)
+
+ // GLES specification 3.0.3, sec 3.8.5, pg 139-140:
+ // The effective internal format of the source buffer is determined with the following rules applied in order:
+ // * If the source buffer is a texture or renderbuffer that was created with a sized internal format then the
+ // effective internal format is the source buffer's sized internal format.
+ // * If the source buffer is a texture that was created with an unsized base internal format, then the
+ // effective internal format is the source image array's effective internal format, as specified by table
+ // 3.12, which is determined from the <format> and <type> that were used when the source image array was
+ // specified by TexImage*.
+ // * Otherwise the effective internal format is determined by the row in table 3.17 or 3.18 where
+ // Destination Internal Format matches internalformat and where the [source channel sizes] are consistent
+ // with the values of the source buffer's [channel sizes]. Table 3.17 is used if the
+ // FRAMEBUFFER_ATTACHMENT_ENCODING is LINEAR and table 3.18 is used if the FRAMEBUFFER_ATTACHMENT_ENCODING
+ // is SRGB.
+ const InternalFormat *sourceEffectiveFormat = NULL;
+ if (readBufferHandle != 0)
{
- GLenum effectiveFormat;
- if (GetEffectiveInternalFormat(framebufferFormatInfo, textureFormatInfo,
- &effectiveFormat))
+ // Not the default framebuffer, therefore the read buffer must be a user-created texture or renderbuffer
+ if (framebufferFormat.sized)
{
- sourceEffectiveFormat = &GetInternalFormatInfo(effectiveFormat);
+ sourceEffectiveFormat = &framebufferFormatInfo;
}
else
{
- return false;
+ // Renderbuffers cannot be created with an unsized internal format, so this must be an unsized-format
+ // texture. We can use the same table we use when creating textures to get its effective sized format.
+ GLenum sizedInternalFormat = GetSizedInternalFormat(framebufferFormatInfo.format,
+ framebufferFormatInfo.type);
+ sourceEffectiveFormat = &GetInternalFormatInfo(sizedInternalFormat);
}
}
- else if (framebufferFormatInfo.colorEncoding == GL_SRGB)
+ else
{
- // SRGB buffers can only be copied to sized format destinations according to table 3.18
- if (textureFormat.sized &&
- (framebufferFormatInfo.redBits >= 1 && framebufferFormatInfo.redBits <= 8) &&
- (framebufferFormatInfo.greenBits >= 1 && framebufferFormatInfo.greenBits <= 8) &&
- (framebufferFormatInfo.blueBits >= 1 && framebufferFormatInfo.blueBits <= 8) &&
- (framebufferFormatInfo.alphaBits >= 1 && framebufferFormatInfo.alphaBits <= 8))
+ // The effective internal format must be derived from the source framebuffer's channel sizes.
+ // This is done in GetEffectiveInternalFormat for linear buffers (table 3.17)
+ if (framebufferFormatInfo.colorEncoding == GL_LINEAR)
{
- sourceEffectiveFormat = &GetInternalFormatInfo(GL_SRGB8_ALPHA8);
+ GLenum effectiveFormat;
+ if (GetEffectiveInternalFormat(framebufferFormatInfo, textureFormatInfo,
+ &effectiveFormat))
+ {
+ sourceEffectiveFormat = &GetInternalFormatInfo(effectiveFormat);
+ }
+ else
+ {
+ return false;
+ }
+ }
+ else if (framebufferFormatInfo.colorEncoding == GL_SRGB)
+ {
+ // SRGB buffers can only be copied to sized format destinations according to table 3.18
+ if (textureFormat.sized &&
+ (framebufferFormatInfo.redBits >= 1 && framebufferFormatInfo.redBits <= 8) &&
+ (framebufferFormatInfo.greenBits >= 1 &&
+ framebufferFormatInfo.greenBits <= 8) &&
+ (framebufferFormatInfo.blueBits >= 1 && framebufferFormatInfo.blueBits <= 8) &&
+ (framebufferFormatInfo.alphaBits >= 1 && framebufferFormatInfo.alphaBits <= 8))
+ {
+ sourceEffectiveFormat = &GetInternalFormatInfo(GL_SRGB8_ALPHA8);
+ }
+ else
+ {
+ return false;
+ }
}
else
{
+ UNREACHABLE();
return false;
}
}
- else
- {
- UNREACHABLE();
- return false;
- }
- }
- if (textureFormat.sized)
- {
- // Section 3.8.5 of the GLES 3.0.3 spec, pg 139, requires that, if the destination format is
- // sized, component sizes of the source and destination formats must exactly match if the
- // destination format exists.
- if (!EqualOrFirstZero(textureFormatInfo.redBits, sourceEffectiveFormat->redBits) ||
- !EqualOrFirstZero(textureFormatInfo.greenBits, sourceEffectiveFormat->greenBits) ||
- !EqualOrFirstZero(textureFormatInfo.blueBits, sourceEffectiveFormat->blueBits) ||
- !EqualOrFirstZero(textureFormatInfo.alphaBits, sourceEffectiveFormat->alphaBits))
+ if (textureFormat.sized)
{
- return false;
+ // Section 3.8.5 of the GLES 3.0.3 spec, pg 139, requires that, if the destination
+ // format is sized, component sizes of the source and destination formats must exactly
+ // match if the destination format exists.
+ if (!EqualOrFirstZero(textureFormatInfo.redBits, sourceEffectiveFormat->redBits) ||
+ !EqualOrFirstZero(textureFormatInfo.greenBits, sourceEffectiveFormat->greenBits) ||
+ !EqualOrFirstZero(textureFormatInfo.blueBits, sourceEffectiveFormat->blueBits) ||
+ !EqualOrFirstZero(textureFormatInfo.alphaBits, sourceEffectiveFormat->alphaBits))
+ {
+ return false;
+ }
}
+
+ return true; // A conversion function exists, and no rule in the specification has precluded conversion
+ // between these formats.
}
- return true; // A conversion function exists, and no rule in the specification has precluded
- // conversion between these formats.
+ return false;
}
bool ValidateES3CopyTexImageParametersBase(ValidationContext *context,
@@ -808,7 +1125,7 @@ bool ValidateES3TexStorageParametersBase(Context *context,
}
const gl::InternalFormat &formatInfo = gl::GetInternalFormatInfo(internalformat);
- if (!formatInfo.textureSupport(context->getClientVersion(), context->getExtensions()))
+ if (!formatInfo.textureSupport(context->getClientMajorVersion(), context->getExtensions()))
{
context->handleError(Error(GL_INVALID_ENUM));
return false;
@@ -889,7 +1206,7 @@ bool ValidateGetQueryiv(Context *context, GLenum target, GLenum pname, GLint *pa
return false;
}
- return ValidateGetQueryivBase(context, target, pname, nullptr);
+ return ValidateGetQueryivBase(context, target, pname);
}
bool ValidateGetQueryObjectuiv(Context *context, GLuint id, GLenum pname, GLuint *params)
@@ -900,7 +1217,7 @@ bool ValidateGetQueryObjectuiv(Context *context, GLuint id, GLenum pname, GLuint
return false;
}
- return ValidateGetQueryObjectValueBase(context, id, pname, nullptr);
+ return ValidateGetQueryObjectValueBase(context, id, pname);
}
bool ValidateFramebufferTextureLayer(Context *context, GLenum target, GLenum attachment,
@@ -979,6 +1296,100 @@ bool ValidateFramebufferTextureLayer(Context *context, GLenum target, GLenum att
return true;
}
+bool ValidES3ReadFormatType(ValidationContext *context,
+ GLenum internalFormat,
+ GLenum format,
+ GLenum type)
+{
+ const gl::InternalFormat &internalFormatInfo = gl::GetInternalFormatInfo(internalFormat);
+
+ switch (format)
+ {
+ case GL_RGBA:
+ switch (type)
+ {
+ case GL_UNSIGNED_BYTE:
+ break;
+ case GL_UNSIGNED_SHORT:
+ if (internalFormatInfo.componentType != GL_UNSIGNED_NORMALIZED &&
+ internalFormatInfo.type != GL_UNSIGNED_SHORT)
+ {
+ return false;
+ }
+ break;
+ case GL_UNSIGNED_INT_2_10_10_10_REV:
+ if (internalFormat != GL_RGB10_A2)
+ {
+ return false;
+ }
+ break;
+ case GL_FLOAT:
+ if (internalFormatInfo.componentType != GL_FLOAT)
+ {
+ return false;
+ }
+ break;
+ default:
+ return false;
+ }
+ break;
+ case GL_RGBA_INTEGER:
+ switch (type)
+ {
+ case GL_INT:
+ if (internalFormatInfo.componentType != GL_INT)
+ {
+ return false;
+ }
+ break;
+ case GL_UNSIGNED_INT:
+ if (internalFormatInfo.componentType != GL_UNSIGNED_INT)
+ {
+ return false;
+ }
+ break;
+ default:
+ return false;
+ }
+ break;
+ case GL_BGRA_EXT:
+ switch (type)
+ {
+ case GL_UNSIGNED_BYTE:
+ case GL_UNSIGNED_SHORT_4_4_4_4_REV_EXT:
+ case GL_UNSIGNED_SHORT_1_5_5_5_REV_EXT:
+ break;
+ default:
+ return false;
+ }
+ break;
+ case GL_RG_EXT:
+ case GL_RED_EXT:
+ if (!context->getExtensions().textureRG)
+ {
+ return false;
+ }
+ switch (type)
+ {
+ case GL_UNSIGNED_BYTE:
+ break;
+ case GL_UNSIGNED_SHORT:
+ if (internalFormatInfo.componentType != GL_UNSIGNED_NORMALIZED &&
+ internalFormatInfo.type != GL_UNSIGNED_SHORT)
+ {
+ return false;
+ }
+ break;
+ default:
+ return false;
+ }
+ break;
+ default:
+ return false;
+ }
+ return true;
+}
+
bool ValidateES3RenderbufferStorageParameters(gl::Context *context, GLenum target, GLsizei samples,
GLenum internalformat, GLsizei width, GLsizei height)
{
@@ -1191,7 +1602,7 @@ bool ValidateCompressedTexImage3D(Context *context,
}
auto blockSizeOrErr =
- formatInfo.computeCompressedImageSize(gl::Extents(width, height, depth));
+ formatInfo.computeCompressedImageSize(GL_UNSIGNED_BYTE, gl::Extents(width, height, depth));
if (blockSizeOrErr.isError())
{
context->handleError(Error(GL_INVALID_VALUE));
@@ -1213,8 +1624,7 @@ bool ValidateCompressedTexImage3D(Context *context,
// validateES3TexImageFormat sets the error code if there is an error
if (!ValidateES3TexImage3DParameters(context, target, level, internalformat, true, false, 0, 0,
- 0, width, height, depth, border, GL_NONE, GL_NONE, -1,
- data))
+ 0, width, height, depth, border, GL_NONE, GL_NONE, data))
{
return false;
}
@@ -1492,37 +1902,8 @@ bool ValidateTexImage3D(Context *context,
}
return ValidateES3TexImage3DParameters(context, target, level, internalformat, false, false, 0,
- 0, 0, width, height, depth, border, format, type, -1,
- pixels);
-}
-
-bool ValidateTexImage3DRobustANGLE(Context *context,
- GLenum target,
- GLint level,
- GLint internalformat,
- GLsizei width,
- GLsizei height,
- GLsizei depth,
- GLint border,
- GLenum format,
- GLenum type,
- GLsizei bufSize,
- const GLvoid *pixels)
-{
- if (context->getClientMajorVersion() < 3)
- {
- context->handleError(Error(GL_INVALID_OPERATION));
- return false;
- }
-
- if (!ValidateRobustEntryPoint(context, bufSize))
- {
- return false;
- }
-
- return ValidateES3TexImage3DParameters(context, target, level, internalformat, false, false, 0,
0, 0, width, height, depth, border, format, type,
- bufSize, pixels);
+ pixels);
}
bool ValidateTexSubImage3D(Context *context,
@@ -1546,37 +1927,7 @@ bool ValidateTexSubImage3D(Context *context,
return ValidateES3TexImage3DParameters(context, target, level, GL_NONE, false, true, xoffset,
yoffset, zoffset, width, height, depth, 0, format, type,
- -1, pixels);
-}
-
-bool ValidateTexSubImage3DRobustANGLE(Context *context,
- GLenum target,
- GLint level,
- GLint xoffset,
- GLint yoffset,
- GLint zoffset,
- GLsizei width,
- GLsizei height,
- GLsizei depth,
- GLenum format,
- GLenum type,
- GLsizei bufSize,
- const GLvoid *pixels)
-{
- if (context->getClientMajorVersion() < 3)
- {
- context->handleError(Error(GL_INVALID_OPERATION));
- return false;
- }
-
- if (!ValidateRobustEntryPoint(context, bufSize))
- {
- return false;
- }
-
- return ValidateES3TexImage3DParameters(context, target, level, GL_NONE, false, true, xoffset,
- yoffset, zoffset, width, height, depth, 0, format, type,
- bufSize, pixels);
+ pixels);
}
bool ValidateCompressedTexSubImage3D(Context *context,
@@ -1600,7 +1951,7 @@ bool ValidateCompressedTexSubImage3D(Context *context,
const InternalFormat &formatInfo = GetInternalFormatInfo(format);
auto blockSizeOrErr =
- formatInfo.computeCompressedImageSize(gl::Extents(width, height, depth));
+ formatInfo.computeCompressedImageSize(GL_UNSIGNED_BYTE, gl::Extents(width, height, depth));
if (blockSizeOrErr.isError())
{
context->handleError(blockSizeOrErr.getError());
@@ -1619,7 +1970,7 @@ bool ValidateCompressedTexSubImage3D(Context *context,
}
return ValidateES3TexImage3DParameters(context, target, level, GL_NONE, true, true, 0, 0, 0,
- width, height, depth, 0, GL_NONE, GL_NONE, -1, data);
+ width, height, depth, 0, GL_NONE, GL_NONE, data);
}
bool ValidateGenQueries(Context *context, GLint n, GLuint *)
@@ -1732,36 +2083,50 @@ bool ValidateBeginTransformFeedback(Context *context, GLenum primitiveMode)
return true;
}
-bool ValidateGetBufferPointerv(Context *context, GLenum target, GLenum pname, GLvoid **params)
-{
- return ValidateGetBufferPointervBase(context, target, pname, nullptr, params);
-}
-
-bool ValidateGetBufferPointervRobustANGLE(Context *context,
- GLenum target,
- GLenum pname,
- GLsizei bufSize,
- GLsizei *length,
- GLvoid **params)
+bool ValidateSamplerParameteri(Context *context, GLuint sampler, GLenum pname, GLint param)
{
- if (!ValidateRobustEntryPoint(context, bufSize))
+ if (context->getClientMajorVersion() < 3)
{
+ context->handleError(Error(GL_INVALID_OPERATION, "Context does not support GLES3."));
return false;
}
- if (!ValidateGetBufferPointervBase(context, target, pname, length, params))
+ if (!context->isSampler(sampler))
{
+ context->handleError(Error(GL_INVALID_OPERATION));
return false;
}
- if (!ValidateRobustBufferSize(context, bufSize, *length))
+ if (!ValidateSamplerObjectParameter(context, pname))
{
return false;
}
+ if (!ValidateTexParamParameters(context, GL_TEXTURE_2D, pname, param))
+ {
+ return false;
+ }
return true;
}
+bool ValidateSamplerParameterf(Context *context, GLuint sampler, GLenum pname, GLfloat param)
+{
+ // The only float parameters are MIN_LOD and MAX_LOD. For these any value is permissible, so
+ // ValidateSamplerParameteri can be used for validation here.
+ return ValidateSamplerParameteri(context, sampler, pname, static_cast<GLint>(param));
+}
+
+bool ValidateGetBufferPointerv(Context *context, GLenum target, GLenum pname, GLvoid **params)
+{
+ if (context->getClientMajorVersion() < 3)
+ {
+ context->handleError(Error(GL_INVALID_OPERATION, "Context does not support GLES3."));
+ return false;
+ }
+
+ return ValidateGetBufferPointervBase(context, target, pname, params);
+}
+
bool ValidateUnmapBuffer(Context *context, GLenum target)
{
if (context->getClientMajorVersion() < 3)
@@ -1802,16 +2167,8 @@ bool ValidateFlushMappedBufferRange(Context *context,
return ValidateFlushMappedBufferRangeBase(context, target, offset, length);
}
-bool ValidateIndexedStateQuery(ValidationContext *context,
- GLenum pname,
- GLuint index,
- GLsizei *length)
+bool ValidateIndexedStateQuery(ValidationContext *context, GLenum pname, GLuint index)
{
- if (length)
- {
- *length = 0;
- }
-
GLenum nativeType;
unsigned int numParams;
if (!context->getIndexedQueryParameterInfo(pname, &nativeType, &numParams))
@@ -1855,9 +2212,10 @@ bool ValidateIndexedStateQuery(ValidationContext *context,
return false;
}
- if (length)
+ // pname is valid, but there are no parameters to return
+ if (numParams == 0)
{
- *length = 1;
+ return false;
}
return true;
@@ -1865,174 +2223,22 @@ bool ValidateIndexedStateQuery(ValidationContext *context,
bool ValidateGetIntegeri_v(ValidationContext *context, GLenum target, GLuint index, GLint *data)
{
- if (context->getClientVersion() < ES_3_0)
- {
- context->handleError(Error(GL_INVALID_OPERATION, "Context does not support GLES3.0"));
- return false;
- }
- return ValidateIndexedStateQuery(context, target, index, nullptr);
-}
-
-bool ValidateGetIntegeri_vRobustANGLE(ValidationContext *context,
- GLenum target,
- GLuint index,
- GLsizei bufSize,
- GLsizei *length,
- GLint *data)
-{
- if (context->getClientVersion() < ES_3_0)
+ if (!context->getGLVersion().isES3OrGreater())
{
context->handleError(Error(GL_INVALID_OPERATION, "Context does not support GLES3.0"));
return false;
}
-
- if (!ValidateRobustEntryPoint(context, bufSize))
- {
- return false;
- }
-
- if (!ValidateIndexedStateQuery(context, target, index, length))
- {
- return false;
- }
-
- if (!ValidateRobustBufferSize(context, bufSize, *length))
- {
- return false;
- }
-
- return true;
+ return ValidateIndexedStateQuery(context, target, index);
}
bool ValidateGetInteger64i_v(ValidationContext *context, GLenum target, GLuint index, GLint64 *data)
{
- if (context->getClientVersion() < ES_3_0)
+ if (!context->getGLVersion().isES3OrGreater())
{
context->handleError(Error(GL_INVALID_OPERATION, "Context does not support GLES3.0"));
return false;
}
- return ValidateIndexedStateQuery(context, target, index, nullptr);
-}
-
-bool ValidateGetInteger64i_vRobustANGLE(ValidationContext *context,
- GLenum target,
- GLuint index,
- GLsizei bufSize,
- GLsizei *length,
- GLint64 *data)
-{
- if (context->getClientVersion() < ES_3_0)
- {
- context->handleError(Error(GL_INVALID_OPERATION, "Context does not support GLES3.0"));
- return false;
- }
-
- if (!ValidateRobustEntryPoint(context, bufSize))
- {
- return false;
- }
-
- if (!ValidateIndexedStateQuery(context, target, index, length))
- {
- return false;
- }
-
- if (!ValidateRobustBufferSize(context, bufSize, *length))
- {
- return false;
- }
-
- return true;
-}
-
-bool ValidateCopyBufferSubData(ValidationContext *context,
- GLenum readTarget,
- GLenum writeTarget,
- GLintptr readOffset,
- GLintptr writeOffset,
- GLsizeiptr size)
-{
- if (context->getClientMajorVersion() < 3)
- {
- context->handleError(
- Error(GL_INVALID_OPERATION, "CopyBufferSubData requires ES 3 or greater"));
- return false;
- }
-
- if (!ValidBufferTarget(context, readTarget) || !ValidBufferTarget(context, writeTarget))
- {
- context->handleError(Error(GL_INVALID_ENUM, "Invalid buffer target"));
- return false;
- }
-
- Buffer *readBuffer = context->getGLState().getTargetBuffer(readTarget);
- Buffer *writeBuffer = context->getGLState().getTargetBuffer(writeTarget);
-
- if (!readBuffer || !writeBuffer)
- {
- context->handleError(Error(GL_INVALID_OPERATION, "No buffer bound to target"));
- return false;
- }
-
- // Verify that readBuffer and writeBuffer are not currently mapped
- if (readBuffer->isMapped() || writeBuffer->isMapped())
- {
- context->handleError(
- Error(GL_INVALID_OPERATION, "Cannot call CopyBufferSubData on a mapped buffer"));
- return false;
- }
-
- CheckedNumeric<GLintptr> checkedReadOffset(readOffset);
- CheckedNumeric<GLintptr> checkedWriteOffset(writeOffset);
- CheckedNumeric<GLintptr> checkedSize(size);
-
- auto checkedReadSum = checkedReadOffset + checkedSize;
- auto checkedWriteSum = checkedWriteOffset + checkedSize;
-
- if (!checkedReadSum.IsValid() || !checkedWriteSum.IsValid() ||
- !IsValueInRangeForNumericType<GLintptr>(readBuffer->getSize()) ||
- !IsValueInRangeForNumericType<GLintptr>(writeBuffer->getSize()))
- {
- context->handleError(
- Error(GL_INVALID_VALUE, "Integer overflow when validating copy offsets."));
- return false;
- }
-
- if (readOffset < 0 || writeOffset < 0 || size < 0)
- {
- context->handleError(
- Error(GL_INVALID_VALUE, "readOffset, writeOffset and size must all be non-negative"));
- return false;
- }
-
- if (checkedReadSum.ValueOrDie() > readBuffer->getSize() ||
- checkedWriteSum.ValueOrDie() > writeBuffer->getSize())
- {
- context->handleError(
- Error(GL_INVALID_VALUE, "Buffer offset overflow in CopyBufferSubData"));
- return false;
- }
-
- if (readBuffer == writeBuffer)
- {
- auto checkedOffsetDiff = (checkedReadOffset - checkedWriteOffset).Abs();
- if (!checkedOffsetDiff.IsValid())
- {
- // This shold not be possible.
- UNREACHABLE();
- context->handleError(
- Error(GL_INVALID_VALUE, "Integer overflow when validating same buffer copy."));
- return false;
- }
-
- if (checkedOffsetDiff.ValueOrDie() < size)
- {
- context->handleError(Error(GL_INVALID_VALUE));
- return false;
- }
- }
-
- return true;
+ return ValidateIndexedStateQuery(context, target, index);
}
} // namespace gl