-/**
- * We allocate texture memory on 512-byte boundaries so we can use MMX/SSE
- * elsewhere.
- */
-void *
-_mesa_alloc_texmemory(GLsizei bytes)
-{
- return _mesa_align_malloc(bytes, 512);
-}
-
-
-/**
- * Free texture memory allocated with _mesa_alloc_texmemory()
- */
-void
-_mesa_free_texmemory(void *m)
-{
- _mesa_align_free(m);
-}
-
-
/**
* Return the simple base format for a given internal texture format.
* For example, given GL_LUMINANCE12_ALPHA4, return GL_LUMINANCE_ALPHA.
case GL_RGBA8I_EXT:
case GL_RGBA16I_EXT:
case GL_RGBA32I_EXT:
+ case GL_RGB10_A2UI:
return GL_RGBA;
case GL_RGB8UI_EXT:
case GL_RGB16UI_EXT:
}
}
+ if (ctx->Extensions.OES_compressed_ETC1_RGB8_texture) {
+ switch (internalFormat) {
+ case GL_ETC1_RGB8_OES:
+ return GL_RGB;
+ default:
+ ; /* fallthrough */
+ }
+ }
+
if (ctx->API == API_OPENGLES) {
switch (internalFormat) {
case GL_PALETTE4_RGB8_OES:
GLuint
_mesa_tex_target_to_face(GLenum target)
{
- if (target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB &&
- target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB)
+ if (_mesa_is_cube_face(target))
return (GLuint) target - (GLuint) GL_TEXTURE_CUBE_MAP_POSITIVE_X;
else
return 0;
ASSERT(tObj);
ASSERT(texImage);
- ASSERT(target != GL_TEXTURE_RECTANGLE_NV || level == 0);
+ if (target == GL_TEXTURE_RECTANGLE_NV || target == GL_TEXTURE_EXTERNAL_OES)
+ assert(level == 0);
tObj->Image[face][level] = texImage;
}
-/**
- * Free texture image data.
- * This function is a fallback called via ctx->Driver.FreeTextureImageBuffer().
- *
- * \param texImage texture image.
- *
- * Free the texture image data if it's not marked as client data.
- */
-void
-_mesa_free_texture_image_data(struct gl_context *ctx,
- struct gl_texture_image *texImage)
-{
- (void) ctx;
-
- if (texImage->Data) {
- /* free the old texture data */
- _mesa_free_texmemory(texImage->Data);
- }
-
- texImage->Data = NULL;
-}
-
-
/**
* Free a gl_texture_image and associated data.
* This function is a fallback called via ctx->Driver.DeleteTextureImage().
*/
ASSERT(ctx->Driver.FreeTextureImageBuffer);
ctx->Driver.FreeTextureImageBuffer( ctx, texImage );
-
- ASSERT(texImage->Data == NULL);
- if (texImage->ImageOffsets)
- free(texImage->ImageOffsets);
- free(texImage);
}
GLboolean
_mesa_is_proxy_texture(GLenum target)
{
- /* NUM_TEXTURE_TARGETS should match number of terms below,
- * except there's no proxy for GL_TEXTURE_BUFFER.
+ /*
+ * NUM_TEXTURE_TARGETS should match number of terms below, except there's no
+ * proxy for GL_TEXTURE_BUFFER and GL_TEXTURE_EXTERNAL_OES.
*/
- assert(NUM_TEXTURE_TARGETS == 8);
+ assert(NUM_TEXTURE_TARGETS == 7 + 2);
return (target == GL_PROXY_TEXTURE_1D ||
target == GL_PROXY_TEXTURE_2D ||
case GL_TEXTURE_BUFFER:
return ctx->Extensions.ARB_texture_buffer_object
? texUnit->CurrentTex[TEXTURE_BUFFER_INDEX] : NULL;
+ case GL_TEXTURE_EXTERNAL_OES:
+ return ctx->Extensions.OES_EGL_image_external
+ ? texUnit->CurrentTex[TEXTURE_EXTERNAL_INDEX] : NULL;
default:
_mesa_problem(NULL, "bad target in _mesa_select_tex_object()");
return NULL;
ctx->Extensions.EXT_texture_array)
? ctx->Const.MaxTextureLevels : 0;
case GL_TEXTURE_BUFFER:
+ case GL_TEXTURE_EXTERNAL_OES:
/* fall-through */
default:
return 0; /* bad target */
case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
case GL_TEXTURE_1D_ARRAY:
case GL_PROXY_TEXTURE_1D_ARRAY:
+ case GL_TEXTURE_EXTERNAL_OES:
return 2;
case GL_TEXTURE_3D:
case GL_PROXY_TEXTURE_3D:
/**
- * Reset the fields of a gl_texture_image struct to zero.
- *
- * \param img texture image structure.
- *
- * This is called when a proxy texture test fails, we set all the
- * image members (except DriverData) to zero.
- * It's also used in glTexImage[123]D as a safeguard to be sure all
- * required fields get initialized properly by the Driver.TexImage[123]D
- * functions.
+ * Set the size and format-related fields of a gl_texture_image struct
+ * to zero. This is used when a proxy texture test fails.
*/
static void
clear_teximage_fields(struct gl_texture_image *img)
img->Width = 0;
img->Height = 0;
img->Depth = 0;
- img->RowStride = 0;
- if (img->ImageOffsets) {
- free(img->ImageOffsets);
- img->ImageOffsets = NULL;
- }
img->Width2 = 0;
img->Height2 = 0;
img->Depth2 = 0;
img->WidthLog2 = 0;
img->HeightLog2 = 0;
img->DepthLog2 = 0;
- img->Data = NULL;
img->TexFormat = MESA_FORMAT_NONE;
}
GLint border, GLenum internalFormat,
gl_format format)
{
- GLint i;
-
ASSERT(img);
ASSERT(width >= 0);
ASSERT(height >= 0);
img->MaxLog2 = MAX2(img->WidthLog2, img->HeightLog2);
- /* RowStride and ImageOffsets[] describe how to address texels in 'Data' */
- img->RowStride = width;
- /* Allocate the ImageOffsets array and initialize to typical values.
- * We allocate the array for 1D/2D textures too in order to avoid special-
- * case code in the texstore routines.
- */
- if (img->ImageOffsets)
- free(img->ImageOffsets);
- img->ImageOffsets = (GLuint *) malloc(depth * sizeof(GLuint));
- for (i = 0; i < depth; i++) {
- img->ImageOffsets[i] = i * width * height;
- }
-
img->TexFormat = format;
}
}
+/**
+ * Return true if the format is only valid for glCompressedTexImage.
+ */
+static GLboolean
+compressedteximage_only_format(const struct gl_context *ctx, GLenum format)
+{
+ switch (format) {
+ case GL_ETC1_RGB8_OES:
+ return GL_TRUE;
+ default:
+ return GL_FALSE;
+ }
+}
+
/**
* Helper function to determine whether a target and specific compression
}
+/**
+ * Helper function to determine if a texture object is mutable (in terms
+ * of GL_ARB_texture_storage).
+ */
+static GLboolean
+mutable_tex_object(struct gl_context *ctx, GLenum target)
+{
+ if (ctx->Extensions.ARB_texture_storage) {
+ struct gl_texture_object *texObj =
+ _mesa_get_current_tex_object(ctx, target);
+ return !texObj->Immutable;
+ }
+ return GL_TRUE;
+}
+
+
+
/**
* Test the glTexImage[123]D() parameters for errors.
*
/* additional checks for depth textures */
if (_mesa_base_tex_format(ctx, internalFormat) == GL_DEPTH_COMPONENT) {
- /* Only 1D, 2D, rect and array textures supported, not 3D or cubes */
+ /* Only 1D, 2D, rect, array and cube textures supported, not 3D
+ * Cubemaps are only supported for GL version > 3.0 or with EXT_gpu_shader4 */
if (target != GL_TEXTURE_1D &&
target != GL_PROXY_TEXTURE_1D &&
target != GL_TEXTURE_2D &&
target != GL_TEXTURE_2D_ARRAY &&
target != GL_PROXY_TEXTURE_2D_ARRAY &&
target != GL_TEXTURE_RECTANGLE_ARB &&
- target != GL_PROXY_TEXTURE_RECTANGLE_ARB) {
+ target != GL_PROXY_TEXTURE_RECTANGLE_ARB &&
+ !((_mesa_is_cube_face(target) || target == GL_PROXY_TEXTURE_CUBE_MAP) &&
+ (ctx->VersionMajor >= 3 || ctx->Extensions.EXT_gpu_shader4))) {
if (!isProxy)
_mesa_error(ctx, GL_INVALID_ENUM,
"glTexImage(target/internalFormat)");
"glTexImage%dD(target)", dimensions);
return GL_TRUE;
}
+ if (compressedteximage_only_format(ctx, internalFormat)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glTexImage%dD(no compression for format)", dimensions);
+ return GL_TRUE;
+ }
if (border != 0) {
if (!isProxy) {
_mesa_error(ctx, GL_INVALID_OPERATION,
return GL_TRUE;
}
+ if (!mutable_tex_object(ctx, target)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glTexImage%dD(immutable texture)", dimensions);
+ return GL_TRUE;
+ }
+
/* if we get here, the parameters are OK */
return GL_FALSE;
}
if (_mesa_is_format_compressed(destTex->TexFormat)) {
GLuint bw, bh;
+ if (compressedteximage_only_format(ctx, destTex->InternalFormat)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glTexSubImage%dD(no compression for format)", dimensions);
+ return GL_TRUE;
+ }
+
/* do tests which depend on compression block size */
_mesa_get_format_block_size(destTex->TexFormat, &bw, &bh);
"glCopyTexImage%dD(target)", dimensions);
return GL_TRUE;
}
+ if (compressedteximage_only_format(ctx, internalFormat)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glCopyTexImage%dD(no compression for format)", dimensions);
+ return GL_TRUE;
+ }
if (border != 0) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glCopyTexImage%dD(border!=0)", dimensions);
}
}
+ if (!mutable_tex_object(ctx, target)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glCopyTexImage%dD(immutable texture)", dimensions);
+ return GL_TRUE;
+ }
+
/* if we get here, the parameters are OK */
return GL_FALSE;
}
}
if (_mesa_is_format_compressed(teximage->TexFormat)) {
+ if (compressedteximage_only_format(ctx, teximage->InternalFormat)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glCopyTexSubImage%dD(no compression for format)", dimensions);
+ return GL_TRUE;
+ }
/* offset must be multiple of 4 */
if ((xoffset & 3) || (yoffset & 3)) {
_mesa_error(ctx, GL_INVALID_VALUE,
return f;
}
+/**
+ * Adjust pixel unpack params and image dimensions to strip off the
+ * texture border.
+ *
+ * Gallium and intel don't support texture borders. They've seldem been used
+ * and seldom been implemented correctly anyway.
+ *
+ * \param unpackNew returns the new pixel unpack parameters
+ */
+static void
+strip_texture_border(GLint *border,
+ GLint *width, GLint *height, GLint *depth,
+ const struct gl_pixelstore_attrib *unpack,
+ struct gl_pixelstore_attrib *unpackNew)
+{
+ assert(*border > 0); /* sanity check */
+
+ *unpackNew = *unpack;
+
+ if (unpackNew->RowLength == 0)
+ unpackNew->RowLength = *width;
+
+ if (depth && unpackNew->ImageHeight == 0)
+ unpackNew->ImageHeight = *height;
+
+ unpackNew->SkipPixels += *border;
+ if (height)
+ unpackNew->SkipRows += *border;
+ if (depth)
+ unpackNew->SkipImages += *border;
+
+ assert(*width >= 3);
+ *width = *width - 2 * *border;
+ if (height && *height >= 3)
+ *height = *height - 2 * *border;
+ if (depth && *depth >= 3)
+ *depth = *depth - 2 * *border;
+ *border = 0;
+}
/**
* Common code to implement all the glTexImage1D/2D/3D functions.
const GLvoid *pixels)
{
GLboolean error;
+ struct gl_pixelstore_attrib unpack_no_border;
+ const struct gl_pixelstore_attrib *unpack = &ctx->Unpack;
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
return; /* error was recorded */
}
+ /* Allow a hardware driver to just strip out the border, to provide
+ * reliable but slightly incorrect hardware rendering instead of
+ * rarely-tested software fallback rendering.
+ */
+ if (border && ctx->Const.StripTextureBorder) {
+ strip_texture_border(&border, &width, &height, &depth, unpack,
+ &unpack_no_border);
+ unpack = &unpack_no_border;
+ }
+
if (ctx->NewState & _NEW_PIXEL)
_mesa_update_state(ctx);
ctx->Driver.FreeTextureImageBuffer(ctx, texImage);
- ASSERT(texImage->Data == NULL);
texFormat = _mesa_choose_texture_format(ctx, texObj, target, level,
internalFormat, format,
type);
case 1:
ctx->Driver.TexImage1D(ctx, target, level, internalFormat,
width, border, format,
- type, pixels, &ctx->Unpack, texObj,
+ type, pixels, unpack, texObj,
texImage);
break;
case 2:
ctx->Driver.TexImage2D(ctx, target, level, internalFormat,
width, height, border, format,
- type, pixels, &ctx->Unpack, texObj,
+ type, pixels, unpack, texObj,
texImage);
break;
case 3:
ctx->Driver.TexImage3D(ctx, target, level, internalFormat,
width, height, depth, border, format,
- type, pixels, &ctx->Unpack, texObj,
+ type, pixels, unpack, texObj,
texImage);
break;
default:
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
- if (!ctx->Extensions.OES_EGL_image) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glEGLImageTargetTexture2DOES(unsupported)");
- return;
- }
-
- if (target != GL_TEXTURE_2D) {
+ if ((target == GL_TEXTURE_2D &&
+ !ctx->Extensions.OES_EGL_image) ||
+ (target == GL_TEXTURE_EXTERNAL_OES &&
+ !ctx->Extensions.OES_EGL_image_external)) {
_mesa_error(ctx, GL_INVALID_ENUM,
"glEGLImageTargetTexture2D(target=%d)", target);
return;
} else {
ctx->Driver.FreeTextureImageBuffer(ctx, texImage);
- ASSERT(texImage->Data == NULL);
ctx->Driver.EGLImageTargetTexture2D(ctx, target,
texObj, texImage, image);
texObj = _mesa_get_current_tex_object(ctx, target);
+ if (border && ctx->Const.StripTextureBorder) {
+ x += border;
+ width -= border * 2;
+ if (dims == 2) {
+ y += border;
+ height -= border * 2;
+ }
+ border = 0;
+ }
+
_mesa_lock_texture(ctx, texObj);
{
texImage = _mesa_get_tex_image(ctx, texObj, target, level);
}
/* For cube map, width must equal height */
- if (target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB &&
- target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB && width != height) {
+ if (_mesa_is_cube_face(target) && width != height) {
*reason = "width != height";
return GL_INVALID_VALUE;
}
return GL_INVALID_VALUE;
}
+ if (!mutable_tex_object(ctx, target)) {
+ *reason = "immutable texture";
+ return GL_INVALID_OPERATION;
+ }
+
return GL_NO_ERROR;
}
return GL_INVALID_ENUM; /*target*/
maxLevels = ctx->Const.MaxCubeTextureLevels;
}
- else if (target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB &&
- target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB) {
+ else if (_mesa_is_cube_face(target)) {
if (!ctx->Extensions.ARB_texture_cube_map)
return GL_INVALID_ENUM; /*target*/
maxLevels = ctx->Const.MaxCubeTextureLevels;
return GL_TRUE;
}
+ if (compressedteximage_only_format(ctx, format)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glCompressedTexSubImage%uD(format=0x%x cannot be updated)"
+ , dims, format);
+ return GL_TRUE;
+ }
+
if (((width == 1 || width == 2) &&
width != (GLsizei) texImage->Width) ||
(width > (GLsizei) texImage->Width)) {
internalFormat, width, height, depth,
border, imageSize, &reason);
- if (error) {
- _mesa_error(ctx, error, "glCompressedTexImage%uD(%s)", dims, reason);
- return;
- }
-
#if FEATURE_ES
/* XXX this is kind of a hack */
- if (dims == 2) {
+ if (!error && dims == 2) {
switch (internalFormat) {
case GL_PALETTE4_RGB8_OES:
case GL_PALETTE4_RGBA8_OES:
struct gl_texture_image *texImage;
if (error) {
- _mesa_error(ctx, error, "glCompressedTexImage%uD", dims);
+ _mesa_error(ctx, error, "glCompressedTexImage%uD(%s)", dims, reason);
return;
}
gl_format texFormat;
ctx->Driver.FreeTextureImageBuffer(ctx, texImage);
- ASSERT(texImage->Data == NULL);
texFormat = _mesa_choose_texture_format(ctx, texObj, target, level,
internalFormat, GL_NONE,