/*
* Mesa 3-D graphics library
- * Version: 6.5.1
*
* Copyright (C) 1999-2006 Brian Paul All Rights Reserved.
* Copyright (c) 2008 VMware, Inc.
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
*/
#include "glheader.h"
#include "imports.h"
-#include "colormac.h"
+#include "context.h"
#include "formats.h"
-#include "mfeatures.h"
#include "mtypes.h"
+#include "context.h"
#include "texcompress.h"
+#include "texcompress_fxt1.h"
+#include "texcompress_rgtc.h"
+#include "texcompress_s3tc.h"
+#include "texcompress_etc.h"
+#include "texcompress_bptc.h"
/**
{
switch (format) {
case GL_COMPRESSED_RED:
+ case GL_COMPRESSED_R11_EAC:
case GL_COMPRESSED_RED_RGTC1:
+ case GL_COMPRESSED_SIGNED_R11_EAC:
case GL_COMPRESSED_SIGNED_RED_RGTC1:
return GL_RED;
case GL_COMPRESSED_RG:
+ case GL_COMPRESSED_RG11_EAC:
case GL_COMPRESSED_RG_RGTC2:
+ case GL_COMPRESSED_SIGNED_RG11_EAC:
case GL_COMPRESSED_SIGNED_RG_RGTC2:
return GL_RG;
case GL_COMPRESSED_RGB:
case GL_COMPRESSED_SRGB:
+ case GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT_ARB:
+ case GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT_ARB:
case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
case GL_COMPRESSED_RGB_FXT1_3DFX:
case GL_COMPRESSED_SRGB_S3TC_DXT1_EXT:
+ case GL_ETC1_RGB8_OES:
+ case GL_COMPRESSED_RGB8_ETC2:
+ case GL_COMPRESSED_SRGB8_ETC2:
+ case GL_RGB_S3TC:
+ case GL_RGB4_S3TC:
+ case GL_PALETTE4_RGB8_OES:
+ case GL_PALETTE4_R5_G6_B5_OES:
+ case GL_PALETTE8_RGB8_OES:
+ case GL_PALETTE8_R5_G6_B5_OES:
return GL_RGB;
case GL_COMPRESSED_RGBA:
case GL_COMPRESSED_SRGB_ALPHA:
case GL_COMPRESSED_RGBA_BPTC_UNORM_ARB:
case GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM_ARB:
- case GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT_ARB:
- case GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT_ARB:
case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT:
case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT:
case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT:
case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT:
case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT:
+ case GL_COMPRESSED_RGBA8_ETC2_EAC:
+ case GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:
+ case GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2:
+ case GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2:
+ case GL_RGBA_S3TC:
+ case GL_RGBA4_S3TC:
+ case GL_PALETTE4_RGBA8_OES:
+ case GL_PALETTE8_RGB5_A1_OES:
+ case GL_PALETTE4_RGBA4_OES:
+ case GL_PALETTE4_RGB5_A1_OES:
+ case GL_PALETTE8_RGBA8_OES:
+ case GL_PALETTE8_RGBA4_OES:
return GL_RGBA;
case GL_COMPRESSED_ALPHA:
* GL_EXT_texture_compression_latc. At the very least, Catalyst 11.6 does not
* expose the 3dc formats through this mechanism.
*
+ * The spec for GL_ARB_texture_compression_bptc doesn't mention whether it
+ * should be included in GL_COMPRESSED_TEXTURE_FORMATS. However as it takes a
+ * very long time to compress the textures in this format it's probably not
+ * very useful as a general format where the GL will have to compress it on
+ * the fly.
+ *
* \param ctx the GL context
* \param formats the resulting format list (may be NULL).
*
_mesa_get_compressed_formats(struct gl_context *ctx, GLint *formats)
{
GLuint n = 0;
- if (ctx->Extensions.TDFX_texture_compression_FXT1) {
+ if (_mesa_is_desktop_gl(ctx) &&
+ ctx->Extensions.TDFX_texture_compression_FXT1) {
if (formats) {
formats[n++] = GL_COMPRESSED_RGB_FXT1_3DFX;
formats[n++] = GL_COMPRESSED_RGBA_FXT1_3DFX;
else {
n += 3;
}
+
+ /* The ES and desktop GL specs diverge here.
+ *
+ * In desktop OpenGL, the driver can perform online compression of
+ * uncompressed texture data. GL_NUM_COMPRESSED_TEXTURE_FORMATS and
+ * GL_COMPRESSED_TEXTURE_FORMATS give the application a list of
+ * formats that it could ask the driver to compress with some
+ * expectation of quality. The GL_ARB_texture_compression spec
+ * calls this "suitable for general-purpose usage." As noted
+ * above, this means GL_COMPRESSED_RGBA_S3TC_DXT1_EXT is not
+ * included in the list.
+ *
+ * In OpenGL ES, the driver never performs compression.
+ * GL_NUM_COMPRESSED_TEXTURE_FORMATS and
+ * GL_COMPRESSED_TEXTURE_FORMATS give the application a list of
+ * formats that the driver can receive from the application. It
+ * is the *complete* list of formats. The
+ * GL_EXT_texture_compression_s3tc spec says:
+ *
+ * "New State for OpenGL ES 2.0.25 and 3.0.2 Specifications
+ *
+ * The queries for NUM_COMPRESSED_TEXTURE_FORMATS and
+ * COMPRESSED_TEXTURE_FORMATS include
+ * COMPRESSED_RGB_S3TC_DXT1_EXT,
+ * COMPRESSED_RGBA_S3TC_DXT1_EXT,
+ * COMPRESSED_RGBA_S3TC_DXT3_EXT, and
+ * COMPRESSED_RGBA_S3TC_DXT5_EXT."
+ *
+ * Note that the addition is only to the OpenGL ES specification!
+ */
+ if (_mesa_is_gles(ctx)) {
+ if (formats) {
+ formats[n++] = GL_COMPRESSED_RGBA_S3TC_DXT1_EXT;
+ } else {
+ n += 1;
+ }
+ }
+ }
+
+ /* The GL_OES_compressed_ETC1_RGB8_texture spec says:
+ *
+ * "New State
+ *
+ * The queries for NUM_COMPRESSED_TEXTURE_FORMATS and
+ * COMPRESSED_TEXTURE_FORMATS include ETC1_RGB8_OES."
+ */
+ if (_mesa_is_gles(ctx)
+ && ctx->Extensions.OES_compressed_ETC1_RGB8_texture) {
+ if (formats) {
+ formats[n++] = GL_ETC1_RGB8_OES;
+ }
+ else {
+ n += 1;
+ }
+ }
+
+ if (ctx->API == API_OPENGLES) {
+ if (formats) {
+ formats[n++] = GL_PALETTE4_RGB8_OES;
+ formats[n++] = GL_PALETTE4_RGBA8_OES;
+ formats[n++] = GL_PALETTE4_R5_G6_B5_OES;
+ formats[n++] = GL_PALETTE4_RGBA4_OES;
+ formats[n++] = GL_PALETTE4_RGB5_A1_OES;
+ formats[n++] = GL_PALETTE8_RGB8_OES;
+ formats[n++] = GL_PALETTE8_RGBA8_OES;
+ formats[n++] = GL_PALETTE8_R5_G6_B5_OES;
+ formats[n++] = GL_PALETTE8_RGBA4_OES;
+ formats[n++] = GL_PALETTE8_RGB5_A1_OES;
+ }
+ else {
+ n += 10;
+ }
}
- if (ctx->Extensions.S3_s3tc) {
+
+ if (_mesa_is_gles3(ctx)) {
if (formats) {
- formats[n++] = GL_RGB_S3TC;
- formats[n++] = GL_RGB4_S3TC;
- formats[n++] = GL_RGBA_S3TC;
- formats[n++] = GL_RGBA4_S3TC;
+ formats[n++] = GL_COMPRESSED_RGB8_ETC2;
+ formats[n++] = GL_COMPRESSED_SRGB8_ETC2;
+ formats[n++] = GL_COMPRESSED_RGBA8_ETC2_EAC;
+ formats[n++] = GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC;
+ formats[n++] = GL_COMPRESSED_R11_EAC;
+ formats[n++] = GL_COMPRESSED_RG11_EAC;
+ formats[n++] = GL_COMPRESSED_SIGNED_R11_EAC;
+ formats[n++] = GL_COMPRESSED_SIGNED_RG11_EAC;
+ formats[n++] = GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2;
+ formats[n++] = GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2;
}
else {
- n += 4;
+ n += 10;
}
}
-#if FEATURE_ES1 || FEATURE_ES2
- if (formats) {
- formats[n++] = GL_PALETTE4_RGB8_OES;
- formats[n++] = GL_PALETTE4_RGBA8_OES;
- formats[n++] = GL_PALETTE4_R5_G6_B5_OES;
- formats[n++] = GL_PALETTE4_RGBA4_OES;
- formats[n++] = GL_PALETTE4_RGB5_A1_OES;
- formats[n++] = GL_PALETTE8_RGB8_OES;
- formats[n++] = GL_PALETTE8_RGBA8_OES;
- formats[n++] = GL_PALETTE8_R5_G6_B5_OES;
- formats[n++] = GL_PALETTE8_RGBA4_OES;
- formats[n++] = GL_PALETTE8_RGB5_A1_OES;
+ /* The KHR_texture_compression_astc_hdr spec says:
+ *
+ * "Interactions with OpenGL 4.2
+ *
+ * OpenGL 4.2 supports the feature that compressed textures can be
+ * compressed online, by passing the compressed texture format enum as
+ * the internal format when uploading a texture using TexImage1D,
+ * TexImage2D or TexImage3D (see Section 3.9.3, Texture Image
+ * Specification, subsection Encoding of Special Internal Formats).
+ *
+ * Due to the complexity of the ASTC compression algorithm, it is not
+ * usually suitable for online use, and therefore ASTC support will be
+ * limited to pre-compressed textures only. Where on-device compression
+ * is required, a domain-specific limited compressor will typically
+ * be used, and this is therefore not suitable for implementation in
+ * the driver.
+ *
+ * In particular, the ASTC format specifiers will not be added to
+ * Table 3.14, and thus will not be accepted by the TexImage*D
+ * functions, and will not be returned by the (already deprecated)
+ * COMPRESSED_TEXTURE_FORMATS query."
+ *
+ * The ES and the desktop specs diverge here. In OpenGL ES, the COMPRESSED_TEXTURE_FORMATS
+ * query returns the set of supported specific compressed formats.
+ */
+ if (ctx->API == API_OPENGLES2 &&
+ ctx->Extensions.KHR_texture_compression_astc_ldr) {
+ if (formats) {
+ formats[n++] = GL_COMPRESSED_RGBA_ASTC_4x4_KHR;
+ formats[n++] = GL_COMPRESSED_RGBA_ASTC_5x4_KHR;
+ formats[n++] = GL_COMPRESSED_RGBA_ASTC_5x5_KHR;
+ formats[n++] = GL_COMPRESSED_RGBA_ASTC_6x5_KHR;
+ formats[n++] = GL_COMPRESSED_RGBA_ASTC_6x6_KHR;
+ formats[n++] = GL_COMPRESSED_RGBA_ASTC_8x5_KHR;
+ formats[n++] = GL_COMPRESSED_RGBA_ASTC_8x6_KHR;
+ formats[n++] = GL_COMPRESSED_RGBA_ASTC_8x8_KHR;
+ formats[n++] = GL_COMPRESSED_RGBA_ASTC_10x5_KHR;
+ formats[n++] = GL_COMPRESSED_RGBA_ASTC_10x6_KHR;
+ formats[n++] = GL_COMPRESSED_RGBA_ASTC_10x8_KHR;
+ formats[n++] = GL_COMPRESSED_RGBA_ASTC_10x10_KHR;
+ formats[n++] = GL_COMPRESSED_RGBA_ASTC_12x10_KHR;
+ formats[n++] = GL_COMPRESSED_RGBA_ASTC_12x12_KHR;
+ formats[n++] = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR;
+ formats[n++] = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR;
+ formats[n++] = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR;
+ formats[n++] = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR;
+ formats[n++] = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR;
+ formats[n++] = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR;
+ formats[n++] = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR;
+ formats[n++] = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR;
+ formats[n++] = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR;
+ formats[n++] = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR;
+ formats[n++] = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR;
+ formats[n++] = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR;
+ formats[n++] = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR;
+ formats[n++] = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR;
+ }
+ else {
+ n += 28;
+ }
}
- else {
- n += 10;
+
+ if (_mesa_is_gles3(ctx) &&
+ ctx->Extensions.OES_texture_compression_astc) {
+ if (formats) {
+ formats[n++] = GL_COMPRESSED_RGBA_ASTC_3x3x3_OES;
+ formats[n++] = GL_COMPRESSED_RGBA_ASTC_4x3x3_OES;
+ formats[n++] = GL_COMPRESSED_RGBA_ASTC_4x4x3_OES;
+ formats[n++] = GL_COMPRESSED_RGBA_ASTC_4x4x4_OES;
+ formats[n++] = GL_COMPRESSED_RGBA_ASTC_5x4x4_OES;
+ formats[n++] = GL_COMPRESSED_RGBA_ASTC_5x5x4_OES;
+ formats[n++] = GL_COMPRESSED_RGBA_ASTC_5x5x5_OES;
+ formats[n++] = GL_COMPRESSED_RGBA_ASTC_6x5x5_OES;
+ formats[n++] = GL_COMPRESSED_RGBA_ASTC_6x6x5_OES;
+ formats[n++] = GL_COMPRESSED_RGBA_ASTC_6x6x6_OES;
+ formats[n++] = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_3x3x3_OES;
+ formats[n++] = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x3x3_OES;
+ formats[n++] = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4x3_OES;
+ formats[n++] = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4x4_OES;
+ formats[n++] = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4x4_OES;
+ formats[n++] = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5x4_OES;
+ formats[n++] = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5x5_OES;
+ formats[n++] = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5x5_OES;
+ formats[n++] = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6x5_OES;
+ formats[n++] = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6x6_OES;
+ }
+ else {
+ n += 20;
+ }
}
-#endif
return n;
}
/**
- * Convert a compressed MESA_FORMAT_x to a GLenum.
+ * Convert GLenum to a compressed MESA_FORMAT_x.
*/
-gl_format
+mesa_format
_mesa_glenum_to_compressed_format(GLenum format)
{
switch (format) {
case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
case GL_RGB_S3TC:
+ case GL_RGB4_S3TC:
return MESA_FORMAT_RGB_DXT1;
case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
- case GL_RGB4_S3TC:
return MESA_FORMAT_RGBA_DXT1;
case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT:
case GL_RGBA_S3TC:
+ case GL_RGBA4_S3TC:
return MESA_FORMAT_RGBA_DXT3;
case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT:
- case GL_RGBA4_S3TC:
return MESA_FORMAT_RGBA_DXT5;
case GL_COMPRESSED_SRGB_S3TC_DXT1_EXT:
return MESA_FORMAT_SRGBA_DXT5;
case GL_COMPRESSED_RED_RGTC1:
- return MESA_FORMAT_RED_RGTC1;
+ return MESA_FORMAT_R_RGTC1_UNORM;
case GL_COMPRESSED_SIGNED_RED_RGTC1:
- return MESA_FORMAT_SIGNED_RED_RGTC1;
+ return MESA_FORMAT_R_RGTC1_SNORM;
case GL_COMPRESSED_RG_RGTC2:
- return MESA_FORMAT_RG_RGTC2;
+ return MESA_FORMAT_RG_RGTC2_UNORM;
case GL_COMPRESSED_SIGNED_RG_RGTC2:
- return MESA_FORMAT_SIGNED_RG_RGTC2;
+ return MESA_FORMAT_RG_RGTC2_SNORM;
case GL_COMPRESSED_LUMINANCE_LATC1_EXT:
- return MESA_FORMAT_L_LATC1;
+ return MESA_FORMAT_L_LATC1_UNORM;
case GL_COMPRESSED_SIGNED_LUMINANCE_LATC1_EXT:
- return MESA_FORMAT_SIGNED_L_LATC1;
+ return MESA_FORMAT_L_LATC1_SNORM;
case GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT:
case GL_COMPRESSED_LUMINANCE_ALPHA_3DC_ATI:
- return MESA_FORMAT_LA_LATC2;
+ return MESA_FORMAT_LA_LATC2_UNORM;
case GL_COMPRESSED_SIGNED_LUMINANCE_ALPHA_LATC2_EXT:
- return MESA_FORMAT_SIGNED_LA_LATC2;
+ return MESA_FORMAT_LA_LATC2_SNORM;
+
+ case GL_ETC1_RGB8_OES:
+ return MESA_FORMAT_ETC1_RGB8;
+ case GL_COMPRESSED_RGB8_ETC2:
+ return MESA_FORMAT_ETC2_RGB8;
+ case GL_COMPRESSED_SRGB8_ETC2:
+ return MESA_FORMAT_ETC2_SRGB8;
+ case GL_COMPRESSED_RGBA8_ETC2_EAC:
+ return MESA_FORMAT_ETC2_RGBA8_EAC;
+ case GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:
+ return MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC;
+ case GL_COMPRESSED_R11_EAC:
+ return MESA_FORMAT_ETC2_R11_EAC;
+ case GL_COMPRESSED_RG11_EAC:
+ return MESA_FORMAT_ETC2_RG11_EAC;
+ case GL_COMPRESSED_SIGNED_R11_EAC:
+ return MESA_FORMAT_ETC2_SIGNED_R11_EAC;
+ case GL_COMPRESSED_SIGNED_RG11_EAC:
+ return MESA_FORMAT_ETC2_SIGNED_RG11_EAC;
+ case GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2:
+ return MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1;
+ case GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2:
+ return MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1;
+
+ case GL_COMPRESSED_RGBA_BPTC_UNORM:
+ return MESA_FORMAT_BPTC_RGBA_UNORM;
+ case GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM:
+ return MESA_FORMAT_BPTC_SRGB_ALPHA_UNORM;
+ case GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT:
+ return MESA_FORMAT_BPTC_RGB_SIGNED_FLOAT;
+ case GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT:
+ return MESA_FORMAT_BPTC_RGB_UNSIGNED_FLOAT;
+
+ case GL_COMPRESSED_RGBA_ASTC_4x4_KHR:
+ return MESA_FORMAT_RGBA_ASTC_4x4;
+ case GL_COMPRESSED_RGBA_ASTC_5x4_KHR:
+ return MESA_FORMAT_RGBA_ASTC_5x4;
+ case GL_COMPRESSED_RGBA_ASTC_5x5_KHR:
+ return MESA_FORMAT_RGBA_ASTC_5x5;
+ case GL_COMPRESSED_RGBA_ASTC_6x5_KHR:
+ return MESA_FORMAT_RGBA_ASTC_6x5;
+ case GL_COMPRESSED_RGBA_ASTC_6x6_KHR:
+ return MESA_FORMAT_RGBA_ASTC_6x6;
+ case GL_COMPRESSED_RGBA_ASTC_8x5_KHR:
+ return MESA_FORMAT_RGBA_ASTC_8x5;
+ case GL_COMPRESSED_RGBA_ASTC_8x6_KHR:
+ return MESA_FORMAT_RGBA_ASTC_8x6;
+ case GL_COMPRESSED_RGBA_ASTC_8x8_KHR:
+ return MESA_FORMAT_RGBA_ASTC_8x8;
+ case GL_COMPRESSED_RGBA_ASTC_10x5_KHR:
+ return MESA_FORMAT_RGBA_ASTC_10x5;
+ case GL_COMPRESSED_RGBA_ASTC_10x6_KHR:
+ return MESA_FORMAT_RGBA_ASTC_10x6;
+ case GL_COMPRESSED_RGBA_ASTC_10x8_KHR:
+ return MESA_FORMAT_RGBA_ASTC_10x8;
+ case GL_COMPRESSED_RGBA_ASTC_10x10_KHR:
+ return MESA_FORMAT_RGBA_ASTC_10x10;
+ case GL_COMPRESSED_RGBA_ASTC_12x10_KHR:
+ return MESA_FORMAT_RGBA_ASTC_12x10;
+ case GL_COMPRESSED_RGBA_ASTC_12x12_KHR:
+ return MESA_FORMAT_RGBA_ASTC_12x12;
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR:
+ return MESA_FORMAT_SRGB8_ALPHA8_ASTC_4x4;
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR:
+ return MESA_FORMAT_SRGB8_ALPHA8_ASTC_5x4;
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR:
+ return MESA_FORMAT_SRGB8_ALPHA8_ASTC_5x5;
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR:
+ return MESA_FORMAT_SRGB8_ALPHA8_ASTC_6x5;
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR:
+ return MESA_FORMAT_SRGB8_ALPHA8_ASTC_6x6;
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR:
+ return MESA_FORMAT_SRGB8_ALPHA8_ASTC_8x5;
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR:
+ return MESA_FORMAT_SRGB8_ALPHA8_ASTC_8x6;
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR:
+ return MESA_FORMAT_SRGB8_ALPHA8_ASTC_8x8;
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR:
+ return MESA_FORMAT_SRGB8_ALPHA8_ASTC_10x5;
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR:
+ return MESA_FORMAT_SRGB8_ALPHA8_ASTC_10x6;
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR:
+ return MESA_FORMAT_SRGB8_ALPHA8_ASTC_10x8;
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR:
+ return MESA_FORMAT_SRGB8_ALPHA8_ASTC_10x10;
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR:
+ return MESA_FORMAT_SRGB8_ALPHA8_ASTC_12x10;
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR:
+ return MESA_FORMAT_SRGB8_ALPHA8_ASTC_12x12;
+ case GL_COMPRESSED_RGBA_ASTC_3x3x3_OES:
+ return MESA_FORMAT_RGBA_ASTC_3x3x3;
+ case GL_COMPRESSED_RGBA_ASTC_4x3x3_OES:
+ return MESA_FORMAT_RGBA_ASTC_4x3x3;
+ case GL_COMPRESSED_RGBA_ASTC_4x4x3_OES:
+ return MESA_FORMAT_RGBA_ASTC_4x4x3;
+ case GL_COMPRESSED_RGBA_ASTC_4x4x4_OES:
+ return MESA_FORMAT_RGBA_ASTC_4x4x4;
+ case GL_COMPRESSED_RGBA_ASTC_5x4x4_OES:
+ return MESA_FORMAT_RGBA_ASTC_5x4x4;
+ case GL_COMPRESSED_RGBA_ASTC_5x5x4_OES:
+ return MESA_FORMAT_RGBA_ASTC_5x5x4;
+ case GL_COMPRESSED_RGBA_ASTC_5x5x5_OES:
+ return MESA_FORMAT_RGBA_ASTC_5x5x5;
+ case GL_COMPRESSED_RGBA_ASTC_6x5x5_OES:
+ return MESA_FORMAT_RGBA_ASTC_6x5x5;
+ case GL_COMPRESSED_RGBA_ASTC_6x6x5_OES:
+ return MESA_FORMAT_RGBA_ASTC_6x6x5;
+ case GL_COMPRESSED_RGBA_ASTC_6x6x6_OES:
+ return MESA_FORMAT_RGBA_ASTC_6x6x6;
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_3x3x3_OES:
+ return MESA_FORMAT_SRGB8_ALPHA8_ASTC_3x3x3;
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x3x3_OES:
+ return MESA_FORMAT_SRGB8_ALPHA8_ASTC_4x3x3;
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4x3_OES:
+ return MESA_FORMAT_SRGB8_ALPHA8_ASTC_4x4x3;
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4x4_OES:
+ return MESA_FORMAT_SRGB8_ALPHA8_ASTC_4x4x4;
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4x4_OES:
+ return MESA_FORMAT_SRGB8_ALPHA8_ASTC_5x4x4;
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5x4_OES:
+ return MESA_FORMAT_SRGB8_ALPHA8_ASTC_5x5x4;
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5x5_OES:
+ return MESA_FORMAT_SRGB8_ALPHA8_ASTC_5x5x5;
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5x5_OES:
+ return MESA_FORMAT_SRGB8_ALPHA8_ASTC_6x5x5;
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6x5_OES:
+ return MESA_FORMAT_SRGB8_ALPHA8_ASTC_6x6x5;
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6x6_OES:
+ return MESA_FORMAT_SRGB8_ALPHA8_ASTC_6x6x6;
default:
return MESA_FORMAT_NONE;
* internal format unchanged.
*/
GLenum
-_mesa_compressed_format_to_glenum(struct gl_context *ctx, GLuint mesaFormat)
+_mesa_compressed_format_to_glenum(struct gl_context *ctx, mesa_format mesaFormat)
{
switch (mesaFormat) {
-#if FEATURE_texture_fxt1
case MESA_FORMAT_RGB_FXT1:
return GL_COMPRESSED_RGB_FXT1_3DFX;
case MESA_FORMAT_RGBA_FXT1:
return GL_COMPRESSED_RGBA_FXT1_3DFX;
-#endif
-#if FEATURE_texture_s3tc
case MESA_FORMAT_RGB_DXT1:
return GL_COMPRESSED_RGB_S3TC_DXT1_EXT;
case MESA_FORMAT_RGBA_DXT1:
return GL_COMPRESSED_RGBA_S3TC_DXT3_EXT;
case MESA_FORMAT_RGBA_DXT5:
return GL_COMPRESSED_RGBA_S3TC_DXT5_EXT;
-#if FEATURE_EXT_texture_sRGB
case MESA_FORMAT_SRGB_DXT1:
return GL_COMPRESSED_SRGB_S3TC_DXT1_EXT;
case MESA_FORMAT_SRGBA_DXT1:
return GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT;
case MESA_FORMAT_SRGBA_DXT5:
return GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT;
-#endif
-#endif
-
- case MESA_FORMAT_RED_RGTC1:
+ case MESA_FORMAT_R_RGTC1_UNORM:
return GL_COMPRESSED_RED_RGTC1;
- case MESA_FORMAT_SIGNED_RED_RGTC1:
+ case MESA_FORMAT_R_RGTC1_SNORM:
return GL_COMPRESSED_SIGNED_RED_RGTC1;
- case MESA_FORMAT_RG_RGTC2:
+ case MESA_FORMAT_RG_RGTC2_UNORM:
return GL_COMPRESSED_RG_RGTC2;
- case MESA_FORMAT_SIGNED_RG_RGTC2:
+ case MESA_FORMAT_RG_RGTC2_SNORM:
return GL_COMPRESSED_SIGNED_RG_RGTC2;
- case MESA_FORMAT_L_LATC1:
+ case MESA_FORMAT_L_LATC1_UNORM:
return GL_COMPRESSED_LUMINANCE_LATC1_EXT;
- case MESA_FORMAT_SIGNED_L_LATC1:
+ case MESA_FORMAT_L_LATC1_SNORM:
return GL_COMPRESSED_SIGNED_LUMINANCE_LATC1_EXT;
- case MESA_FORMAT_LA_LATC2:
+ case MESA_FORMAT_LA_LATC2_UNORM:
return GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT;
- case MESA_FORMAT_SIGNED_LA_LATC2:
+ case MESA_FORMAT_LA_LATC2_SNORM:
return GL_COMPRESSED_SIGNED_LUMINANCE_ALPHA_LATC2_EXT;
+ case MESA_FORMAT_ETC1_RGB8:
+ return GL_ETC1_RGB8_OES;
+ case MESA_FORMAT_ETC2_RGB8:
+ return GL_COMPRESSED_RGB8_ETC2;
+ case MESA_FORMAT_ETC2_SRGB8:
+ return GL_COMPRESSED_SRGB8_ETC2;
+ case MESA_FORMAT_ETC2_RGBA8_EAC:
+ return GL_COMPRESSED_RGBA8_ETC2_EAC;
+ case MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC:
+ return GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC;
+ case MESA_FORMAT_ETC2_R11_EAC:
+ return GL_COMPRESSED_R11_EAC;
+ case MESA_FORMAT_ETC2_RG11_EAC:
+ return GL_COMPRESSED_RG11_EAC;
+ case MESA_FORMAT_ETC2_SIGNED_R11_EAC:
+ return GL_COMPRESSED_SIGNED_R11_EAC;
+ case MESA_FORMAT_ETC2_SIGNED_RG11_EAC:
+ return GL_COMPRESSED_SIGNED_RG11_EAC;
+ case MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1:
+ return GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2;
+ case MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1:
+ return GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2;
+
+ case MESA_FORMAT_BPTC_RGBA_UNORM:
+ return GL_COMPRESSED_RGBA_BPTC_UNORM;
+ case MESA_FORMAT_BPTC_SRGB_ALPHA_UNORM:
+ return GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM;
+ case MESA_FORMAT_BPTC_RGB_SIGNED_FLOAT:
+ return GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT;
+ case MESA_FORMAT_BPTC_RGB_UNSIGNED_FLOAT:
+ return GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT;
+
+ case MESA_FORMAT_RGBA_ASTC_4x4:
+ return GL_COMPRESSED_RGBA_ASTC_4x4_KHR;
+ case MESA_FORMAT_RGBA_ASTC_5x4:
+ return GL_COMPRESSED_RGBA_ASTC_5x4_KHR;
+ case MESA_FORMAT_RGBA_ASTC_5x5:
+ return GL_COMPRESSED_RGBA_ASTC_5x5_KHR;
+ case MESA_FORMAT_RGBA_ASTC_6x5:
+ return GL_COMPRESSED_RGBA_ASTC_6x5_KHR;
+ case MESA_FORMAT_RGBA_ASTC_6x6:
+ return GL_COMPRESSED_RGBA_ASTC_6x6_KHR;
+ case MESA_FORMAT_RGBA_ASTC_8x5:
+ return GL_COMPRESSED_RGBA_ASTC_8x5_KHR;
+ case MESA_FORMAT_RGBA_ASTC_8x6:
+ return GL_COMPRESSED_RGBA_ASTC_8x6_KHR;
+ case MESA_FORMAT_RGBA_ASTC_8x8:
+ return GL_COMPRESSED_RGBA_ASTC_8x8_KHR;
+ case MESA_FORMAT_RGBA_ASTC_10x5:
+ return GL_COMPRESSED_RGBA_ASTC_10x5_KHR;
+ case MESA_FORMAT_RGBA_ASTC_10x6:
+ return GL_COMPRESSED_RGBA_ASTC_10x6_KHR;
+ case MESA_FORMAT_RGBA_ASTC_10x8:
+ return GL_COMPRESSED_RGBA_ASTC_10x8_KHR;
+ case MESA_FORMAT_RGBA_ASTC_10x10:
+ return GL_COMPRESSED_RGBA_ASTC_10x10_KHR;
+ case MESA_FORMAT_RGBA_ASTC_12x10:
+ return GL_COMPRESSED_RGBA_ASTC_12x10_KHR;
+ case MESA_FORMAT_RGBA_ASTC_12x12:
+ return GL_COMPRESSED_RGBA_ASTC_12x12_KHR;
+ case MESA_FORMAT_SRGB8_ALPHA8_ASTC_4x4:
+ return GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR;
+ case MESA_FORMAT_SRGB8_ALPHA8_ASTC_5x4:
+ return GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR;
+ case MESA_FORMAT_SRGB8_ALPHA8_ASTC_5x5:
+ return GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR;
+ case MESA_FORMAT_SRGB8_ALPHA8_ASTC_6x5:
+ return GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR;
+ case MESA_FORMAT_SRGB8_ALPHA8_ASTC_6x6:
+ return GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR;
+ case MESA_FORMAT_SRGB8_ALPHA8_ASTC_8x5:
+ return GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR;
+ case MESA_FORMAT_SRGB8_ALPHA8_ASTC_8x6:
+ return GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR;
+ case MESA_FORMAT_SRGB8_ALPHA8_ASTC_8x8:
+ return GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR;
+ case MESA_FORMAT_SRGB8_ALPHA8_ASTC_10x5:
+ return GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR;
+ case MESA_FORMAT_SRGB8_ALPHA8_ASTC_10x6:
+ return GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR;
+ case MESA_FORMAT_SRGB8_ALPHA8_ASTC_10x8:
+ return GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR;
+ case MESA_FORMAT_SRGB8_ALPHA8_ASTC_10x10:
+ return GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR;
+ case MESA_FORMAT_SRGB8_ALPHA8_ASTC_12x10:
+ return GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR;
+ case MESA_FORMAT_SRGB8_ALPHA8_ASTC_12x12:
+ return GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR;
+
+ case MESA_FORMAT_RGBA_ASTC_3x3x3:
+ return GL_COMPRESSED_RGBA_ASTC_3x3x3_OES;
+ case MESA_FORMAT_RGBA_ASTC_4x3x3:
+ return GL_COMPRESSED_RGBA_ASTC_4x3x3_OES;
+ case MESA_FORMAT_RGBA_ASTC_4x4x3:
+ return GL_COMPRESSED_RGBA_ASTC_4x4x3_OES;
+ case MESA_FORMAT_RGBA_ASTC_4x4x4:
+ return GL_COMPRESSED_RGBA_ASTC_4x4x4_OES;
+ case MESA_FORMAT_RGBA_ASTC_5x4x4:
+ return GL_COMPRESSED_RGBA_ASTC_5x4x4_OES;
+ case MESA_FORMAT_RGBA_ASTC_5x5x4:
+ return GL_COMPRESSED_RGBA_ASTC_5x5x4_OES;
+ case MESA_FORMAT_RGBA_ASTC_5x5x5:
+ return GL_COMPRESSED_RGBA_ASTC_5x5x5_OES;
+ case MESA_FORMAT_RGBA_ASTC_6x5x5:
+ return GL_COMPRESSED_RGBA_ASTC_6x5x5_OES;
+ case MESA_FORMAT_RGBA_ASTC_6x6x5:
+ return GL_COMPRESSED_RGBA_ASTC_6x6x5_OES;
+ case MESA_FORMAT_RGBA_ASTC_6x6x6:
+ return GL_COMPRESSED_RGBA_ASTC_6x6x6_OES;
+ case MESA_FORMAT_SRGB8_ALPHA8_ASTC_3x3x3:
+ return GL_COMPRESSED_SRGB8_ALPHA8_ASTC_3x3x3_OES;
+ case MESA_FORMAT_SRGB8_ALPHA8_ASTC_4x3x3:
+ return GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x3x3_OES;
+ case MESA_FORMAT_SRGB8_ALPHA8_ASTC_4x4x3:
+ return GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4x3_OES;
+ case MESA_FORMAT_SRGB8_ALPHA8_ASTC_4x4x4:
+ return GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4x4_OES;
+ case MESA_FORMAT_SRGB8_ALPHA8_ASTC_5x4x4:
+ return GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4x4_OES;
+ case MESA_FORMAT_SRGB8_ALPHA8_ASTC_5x5x4:
+ return GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5x4_OES;
+ case MESA_FORMAT_SRGB8_ALPHA8_ASTC_5x5x5:
+ return GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5x5_OES;
+ case MESA_FORMAT_SRGB8_ALPHA8_ASTC_6x5x5:
+ return GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5x5_OES;
+ case MESA_FORMAT_SRGB8_ALPHA8_ASTC_6x6x5:
+ return GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6x5_OES;
+ case MESA_FORMAT_SRGB8_ALPHA8_ASTC_6x6x6:
+ return GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6x6_OES;
default:
_mesa_problem(ctx, "Unexpected mesa texture format in"
" _mesa_compressed_format_to_glenum()");
*/
GLubyte *
_mesa_compressed_image_address(GLint col, GLint row, GLint img,
- gl_format mesaFormat,
+ mesa_format mesaFormat,
GLsizei width, const GLubyte *image)
{
/* XXX only 2D images implemented, not 3D */
_mesa_get_format_block_size(mesaFormat, &bw, &bh);
- ASSERT(col % bw == 0);
- ASSERT(row % bh == 0);
+ assert(col % bw == 0);
+ assert(row % bh == 0);
offset = ((width + bw - 1) / bw) * (row / bh) + col / bw;
offset *= blockSize;
return (GLubyte *) image + offset;
}
+
+
+/**
+ * Return a texel-fetch function for the given format, or NULL if
+ * invalid format.
+ */
+compressed_fetch_func
+_mesa_get_compressed_fetch_func(mesa_format format)
+{
+ switch (_mesa_get_format_layout(format)) {
+ case MESA_FORMAT_LAYOUT_S3TC:
+ return _mesa_get_dxt_fetch_func(format);
+ case MESA_FORMAT_LAYOUT_FXT1:
+ return _mesa_get_fxt_fetch_func(format);
+ case MESA_FORMAT_LAYOUT_RGTC:
+ case MESA_FORMAT_LAYOUT_LATC:
+ return _mesa_get_compressed_rgtc_func(format);
+ case MESA_FORMAT_LAYOUT_ETC1:
+ return _mesa_get_etc_fetch_func(format);
+ case MESA_FORMAT_LAYOUT_BPTC:
+ return _mesa_get_bptc_fetch_func(format);
+ default:
+ return NULL;
+ }
+}
+
+
+/**
+ * Decompress a compressed texture image, returning a GL_RGBA/GL_FLOAT image.
+ * \param srcRowStride stride in bytes between rows of blocks in the
+ * compressed source image.
+ */
+void
+_mesa_decompress_image(mesa_format format, GLuint width, GLuint height,
+ const GLubyte *src, GLint srcRowStride,
+ GLfloat *dest)
+{
+ compressed_fetch_func fetch;
+ GLuint i, j;
+ GLuint bytes, bw, bh;
+ GLint stride;
+
+ bytes = _mesa_get_format_bytes(format);
+ _mesa_get_format_block_size(format, &bw, &bh);
+
+ fetch = _mesa_get_compressed_fetch_func(format);
+ if (!fetch) {
+ _mesa_problem(NULL, "Unexpected format in _mesa_decompress_image()");
+ return;
+ }
+
+ stride = srcRowStride * bh / bytes;
+
+ for (j = 0; j < height; j++) {
+ for (i = 0; i < width; i++) {
+ fetch(src, stride, i, j, dest);
+ dest += 4;
+ }
+ }
+}