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Diffstat (limited to 'src/mesa/main/teximage.c')
-rw-r--r--src/mesa/main/teximage.c561
1 files changed, 279 insertions, 282 deletions
diff --git a/src/mesa/main/teximage.c b/src/mesa/main/teximage.c
index 465da6b0469..b946f3c69d7 100644
--- a/src/mesa/main/teximage.c
+++ b/src/mesa/main/teximage.c
@@ -43,7 +43,7 @@
#include "macros.h"
#include "state.h"
#include "texcompress.h"
-#include "texformat.h"
+#include "texfetch.h"
#include "teximage.h"
#include "texstate.h"
#include "texstore.h"
@@ -82,63 +82,6 @@ _mesa_free_texmemory(void *m)
}
-
-
-#if 0
-static void PrintTexture(GLcontext *ctx, const struct gl_texture_image *img)
-{
-#if CHAN_TYPE != GL_UNSIGNED_BYTE
- _mesa_problem(NULL, "PrintTexture not supported");
-#else
- GLuint i, j, c;
- const GLubyte *data = (const GLubyte *) img->Data;
-
- if (!data) {
- _mesa_printf("No texture data\n");
- return;
- }
-
- switch (img->Format) {
- case GL_ALPHA:
- case GL_LUMINANCE:
- case GL_INTENSITY:
- case GL_COLOR_INDEX:
- c = 1;
- break;
- case GL_LUMINANCE_ALPHA:
- c = 2;
- break;
- case GL_RGB:
- c = 3;
- break;
- case GL_RGBA:
- c = 4;
- break;
- default:
- _mesa_problem(NULL, "error in PrintTexture\n");
- return;
- }
-
- for (i = 0; i < img->Height; i++) {
- for (j = 0; j < img->Width; j++) {
- if (c==1)
- _mesa_printf("%02x ", data[0]);
- else if (c==2)
- _mesa_printf("%02x%02x ", data[0], data[1]);
- else if (c==3)
- _mesa_printf("%02x%02x%02x ", data[0], data[1], data[2]);
- else if (c==4)
- _mesa_printf("%02x%02x%02x%02x ", data[0], data[1], data[2], data[3]);
- data += (img->RowStride - img->Width) * c;
- }
- /* XXX use img->ImageStride here */
- _mesa_printf("\n");
- }
-#endif
-}
-#endif
-
-
/*
* Compute floor(log_base_2(n)).
* If n < 0 return -1.
@@ -640,6 +583,17 @@ _mesa_select_tex_object(GLcontext *ctx, const struct gl_texture_unit *texUnit,
/**
+ * Return pointer to texture object for given target on current texture unit.
+ */
+struct gl_texture_object *
+_mesa_get_current_tex_object(GLcontext *ctx, GLenum target)
+{
+ struct gl_texture_unit *texUnit = _mesa_get_current_tex_unit(ctx);
+ return _mesa_select_tex_object(ctx, texUnit, target);
+}
+
+
+/**
* Get a texture image pointer from a texture object, given a texture
* target and mipmap level. The target and level parameters should
* have already been error-checked.
@@ -900,11 +854,9 @@ clear_teximage_fields(struct gl_texture_image *img)
img->HeightLog2 = 0;
img->DepthLog2 = 0;
img->Data = NULL;
- img->TexFormat = &_mesa_null_texformat;
+ img->TexFormat = MESA_FORMAT_NONE;
img->FetchTexelc = NULL;
img->FetchTexelf = NULL;
- img->IsCompressed = 0;
- img->CompressedSize = 0;
}
@@ -967,9 +919,6 @@ _mesa_init_teximage_fields(GLcontext *ctx, GLenum target,
img->MaxLog2 = MAX2(img->WidthLog2, img->HeightLog2);
- img->IsCompressed = GL_FALSE;
- img->CompressedSize = 0;
-
if ((width == 1 || _mesa_is_pow_two(img->Width2)) &&
(height == 1 || _mesa_is_pow_two(img->Height2)) &&
(depth == 1 || _mesa_is_pow_two(img->Depth2)))
@@ -1002,6 +951,9 @@ _mesa_init_teximage_fields(GLcontext *ctx, GLenum target,
img->HeightScale = (GLfloat) img->Height;
img->DepthScale = (GLfloat) img->Depth;
}
+
+ img->FetchTexelc = NULL;
+ img->FetchTexelf = NULL;
}
@@ -1315,8 +1267,8 @@ texture_error_check( GLcontext *ctx, GLenum target,
if (_mesa_base_tex_format(ctx, internalFormat) < 0) {
if (!isProxy) {
_mesa_error(ctx, GL_INVALID_VALUE,
- "glTexImage%dD(internalFormat=0x%x)",
- dimensions, internalFormat);
+ "glTexImage%dD(internalFormat=%s)",
+ dimensions, _mesa_lookup_enum_by_nr(internalFormat));
}
return GL_TRUE;
}
@@ -1528,6 +1480,11 @@ subtexture_error_check( GLcontext *ctx, GLuint dimensions,
return GL_FALSE;
}
+
+/**
+ * Do second part of glTexSubImage which depends on the destination texture.
+ * \return GL_TRUE if error recorded, GL_FALSE otherwise
+ */
static GLboolean
subtexture_error_check2( GLcontext *ctx, GLuint dimensions,
GLenum target, GLint level,
@@ -1575,41 +1532,35 @@ subtexture_error_check2( GLcontext *ctx, GLuint dimensions,
}
}
-#if FEATURE_EXT_texture_sRGB
- if (destTex->InternalFormat == GL_COMPRESSED_SRGB_S3TC_DXT1_EXT ||
- destTex->InternalFormat == GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT ||
- destTex->InternalFormat == GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT ||
- destTex->InternalFormat == GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT) {
- if ((width & 0x3) || (height & 0x3) ||
- (xoffset & 0x3) || (yoffset & 0x3))
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glTexSubImage%dD(size or offset not multiple of 4)",
- dimensions);
- return GL_TRUE;
- }
-#endif
+ if (_mesa_is_format_compressed(destTex->TexFormat)) {
+ GLuint bw, bh;
- if (destTex->IsCompressed) {
if (!target_can_be_compressed(ctx, target)) {
_mesa_error(ctx, GL_INVALID_ENUM,
- "glTexSubImage%D(target)", dimensions);
+ "glTexSubImage%D(target=%s)", dimensions,
+ _mesa_lookup_enum_by_nr(target));
return GL_TRUE;
}
- /* offset must be multiple of 4 */
- if ((xoffset & 3) || (yoffset & 3)) {
+
+ /* do tests which depend on compression block size */
+ _mesa_get_format_block_size(destTex->TexFormat, &bw, &bh);
+
+ /* offset must be multiple of block size */
+ if ((xoffset % bw != 0) || (yoffset % bh != 0)) {
_mesa_error(ctx, GL_INVALID_OPERATION,
- "glTexSubImage%D(xoffset or yoffset)", dimensions);
+ "glTexSubImage%D(xoffset = %d, yoffset = %d)",
+ dimensions, xoffset, yoffset);
return GL_TRUE;
}
- /* size must be multiple of 4 or equal to whole texture size */
- if ((width & 3) && (GLuint) width != destTex->Width) {
+ /* size must be multiple of bw by bh or equal to whole texture size */
+ if ((width % bw != 0) && (GLuint) width != destTex->Width) {
_mesa_error(ctx, GL_INVALID_OPERATION,
- "glTexSubImage%D(width)", dimensions);
+ "glTexSubImage%D(width = %d)", dimensions, width);
return GL_TRUE;
}
- if ((height & 3) && (GLuint) height != destTex->Height) {
+ if ((height % bh != 0) && (GLuint) height != destTex->Height) {
_mesa_error(ctx, GL_INVALID_OPERATION,
- "glTexSubImage%D(width)", dimensions);
+ "glTexSubImage%D(height = %d)", dimensions, height);
return GL_TRUE;
}
}
@@ -1951,7 +1902,7 @@ copytexsubimage_error_check2( GLcontext *ctx, GLuint dimensions,
}
}
- if (teximage->IsCompressed) {
+ if (_mesa_is_format_compressed(teximage->TexFormat)) {
if (!target_can_be_compressed(ctx, target)) {
_mesa_error(ctx, GL_INVALID_ENUM,
"glCopyTexSubImage%d(target)", dimensions);
@@ -2084,7 +2035,9 @@ check_gen_mipmap(GLcontext *ctx, GLenum target,
struct gl_texture_object *texObj, GLint level)
{
ASSERT(target != GL_TEXTURE_CUBE_MAP);
- if (texObj->GenerateMipmap && level == texObj->BaseLevel) {
+ if (texObj->GenerateMipmap &&
+ level == texObj->BaseLevel &&
+ level < texObj->MaxLevel) {
ASSERT(ctx->Driver.GenerateMipmap);
ctx->Driver.GenerateMipmap(ctx, target, texObj);
}
@@ -2164,7 +2117,6 @@ _mesa_TexImage1D( GLenum target, GLint level, GLint internalFormat,
if (target == GL_TEXTURE_1D) {
/* non-proxy target */
- struct gl_texture_unit *texUnit;
struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
const GLuint face = _mesa_tex_target_to_face(target);
@@ -2177,8 +2129,7 @@ _mesa_TexImage1D( GLenum target, GLint level, GLint internalFormat,
if (ctx->NewState & _MESA_NEW_TRANSFER_STATE)
_mesa_update_state(ctx);
- texUnit = _mesa_get_current_tex_unit(ctx);
- texObj = _mesa_select_tex_object(ctx, texUnit, target);
+ texObj = _mesa_get_current_tex_object(ctx, target);
_mesa_lock_texture(ctx, texObj);
{
texImage = _mesa_get_tex_image(ctx, texObj, target, level);
@@ -2197,6 +2148,12 @@ _mesa_TexImage1D( GLenum target, GLint level, GLint internalFormat,
postConvWidth, 1, 1,
border, internalFormat);
+ /* Choose actual texture format */
+ texImage->TexFormat =
+ ctx->Driver.ChooseTextureFormat(ctx, internalFormat,
+ format, type);
+ ASSERT(texImage->TexFormat != MESA_FORMAT_NONE);
+
/* Give the texture to the driver. <pixels> may be null. */
ASSERT(ctx->Driver.TexImage1D);
ctx->Driver.TexImage1D(ctx, target, level, internalFormat,
@@ -2205,6 +2162,8 @@ _mesa_TexImage1D( GLenum target, GLint level, GLint internalFormat,
ASSERT(texImage->TexFormat);
+ _mesa_set_fetch_functions(texImage, 1);
+
check_gen_mipmap(ctx, target, texObj, level);
update_fbo_texture(ctx, texObj, face, level);
@@ -2232,8 +2191,8 @@ _mesa_TexImage1D( GLenum target, GLint level, GLint internalFormat,
_mesa_init_teximage_fields(ctx, target, texImage,
postConvWidth, 1, 1,
border, internalFormat);
- texImage->TexFormat = (*ctx->Driver.ChooseTextureFormat)(ctx,
- internalFormat, format, type);
+ texImage->TexFormat =
+ ctx->Driver.ChooseTextureFormat(ctx, internalFormat, format, type);
}
}
else {
@@ -2278,7 +2237,6 @@ _mesa_TexImage2D( GLenum target, GLint level, GLint internalFormat,
(ctx->Extensions.MESA_texture_array &&
target == GL_TEXTURE_1D_ARRAY_EXT)) {
/* non-proxy target */
- struct gl_texture_unit *texUnit;
struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
const GLuint face = _mesa_tex_target_to_face(target);
@@ -2292,8 +2250,7 @@ _mesa_TexImage2D( GLenum target, GLint level, GLint internalFormat,
if (ctx->NewState & _MESA_NEW_TRANSFER_STATE)
_mesa_update_state(ctx);
- texUnit = _mesa_get_current_tex_unit(ctx);
- texObj = _mesa_select_tex_object(ctx, texUnit, target);
+ texObj = _mesa_get_current_tex_object(ctx, target);
_mesa_lock_texture(ctx, texObj);
{
texImage = _mesa_get_tex_image(ctx, texObj, target, level);
@@ -2311,6 +2268,12 @@ _mesa_TexImage2D( GLenum target, GLint level, GLint internalFormat,
postConvWidth, postConvHeight, 1,
border, internalFormat);
+ /* Choose actual texture format */
+ texImage->TexFormat =
+ ctx->Driver.ChooseTextureFormat(ctx, internalFormat,
+ format, type);
+ ASSERT(texImage->TexFormat != MESA_FORMAT_NONE);
+
/* Give the texture to the driver. <pixels> may be null. */
ASSERT(ctx->Driver.TexImage2D);
ctx->Driver.TexImage2D(ctx, target, level, internalFormat,
@@ -2319,6 +2282,8 @@ _mesa_TexImage2D( GLenum target, GLint level, GLint internalFormat,
ASSERT(texImage->TexFormat);
+ _mesa_set_fetch_functions(texImage, 2);
+
check_gen_mipmap(ctx, target, texObj, level);
update_fbo_texture(ctx, texObj, face, level);
@@ -2352,8 +2317,8 @@ _mesa_TexImage2D( GLenum target, GLint level, GLint internalFormat,
_mesa_init_teximage_fields(ctx, target, texImage,
postConvWidth, postConvHeight, 1,
border, internalFormat);
- texImage->TexFormat = (*ctx->Driver.ChooseTextureFormat)(ctx,
- internalFormat, format, type);
+ texImage->TexFormat =
+ ctx->Driver.ChooseTextureFormat(ctx, internalFormat, format, type);
}
}
else {
@@ -2389,7 +2354,6 @@ _mesa_TexImage3D( GLenum target, GLint level, GLint internalFormat,
(ctx->Extensions.MESA_texture_array &&
target == GL_TEXTURE_2D_ARRAY_EXT)) {
/* non-proxy target */
- struct gl_texture_unit *texUnit;
struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
const GLuint face = _mesa_tex_target_to_face(target);
@@ -2402,8 +2366,7 @@ _mesa_TexImage3D( GLenum target, GLint level, GLint internalFormat,
if (ctx->NewState & _MESA_NEW_TRANSFER_STATE)
_mesa_update_state(ctx);
- texUnit = _mesa_get_current_tex_unit(ctx);
- texObj = _mesa_select_tex_object(ctx, texUnit, target);
+ texObj = _mesa_get_current_tex_object(ctx, target);
_mesa_lock_texture(ctx, texObj);
{
texImage = _mesa_get_tex_image(ctx, texObj, target, level);
@@ -2421,6 +2384,12 @@ _mesa_TexImage3D( GLenum target, GLint level, GLint internalFormat,
width, height, depth,
border, internalFormat);
+ /* Choose actual texture format */
+ texImage->TexFormat =
+ ctx->Driver.ChooseTextureFormat(ctx, internalFormat,
+ format, type);
+ ASSERT(texImage->TexFormat != MESA_FORMAT_NONE);
+
/* Give the texture to the driver. <pixels> may be null. */
ASSERT(ctx->Driver.TexImage3D);
ctx->Driver.TexImage3D(ctx, target, level, internalFormat,
@@ -2429,6 +2398,8 @@ _mesa_TexImage3D( GLenum target, GLint level, GLint internalFormat,
ASSERT(texImage->TexFormat);
+ _mesa_set_fetch_functions(texImage, 3);
+
check_gen_mipmap(ctx, target, texObj, level);
update_fbo_texture(ctx, texObj, face, level);
@@ -2456,8 +2427,8 @@ _mesa_TexImage3D( GLenum target, GLint level, GLint internalFormat,
/* no error, set the tex image parameters */
_mesa_init_teximage_fields(ctx, target, texImage, width, height,
depth, border, internalFormat);
- texImage->TexFormat = (*ctx->Driver.ChooseTextureFormat)(ctx,
- internalFormat, format, type);
+ texImage->TexFormat =
+ ctx->Driver.ChooseTextureFormat(ctx, internalFormat, format, type);
}
}
else {
@@ -2486,9 +2457,8 @@ _mesa_TexSubImage1D( GLenum target, GLint level,
const GLvoid *pixels )
{
GLsizei postConvWidth = width;
- struct gl_texture_unit *texUnit;
struct gl_texture_object *texObj;
- struct gl_texture_image *texImage = NULL;
+ struct gl_texture_image *texImage;
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
@@ -2514,8 +2484,7 @@ _mesa_TexSubImage1D( GLenum target, GLint level,
}
- texUnit = _mesa_get_current_tex_unit(ctx);
- texObj = _mesa_select_tex_object(ctx, texUnit, target);
+ texObj = _mesa_get_current_tex_object(ctx, target);
assert(texObj);
_mesa_lock_texture(ctx, texObj);
@@ -2553,7 +2522,6 @@ _mesa_TexSubImage2D( GLenum target, GLint level,
const GLvoid *pixels )
{
GLsizei postConvWidth = width, postConvHeight = height;
- struct gl_texture_unit *texUnit;
struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
GET_CURRENT_CONTEXT(ctx);
@@ -2582,8 +2550,7 @@ _mesa_TexSubImage2D( GLenum target, GLint level,
return; /* error was detected */
}
- texUnit = _mesa_get_current_tex_unit(ctx);
- texObj = _mesa_select_tex_object(ctx, texUnit, target);
+ texObj = _mesa_get_current_tex_object(ctx, target);
_mesa_lock_texture(ctx, texObj);
{
@@ -2621,7 +2588,6 @@ _mesa_TexSubImage3D( GLenum target, GLint level,
GLenum format, GLenum type,
const GLvoid *pixels )
{
- struct gl_texture_unit *texUnit;
struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
GET_CURRENT_CONTEXT(ctx);
@@ -2642,8 +2608,7 @@ _mesa_TexSubImage3D( GLenum target, GLint level,
return; /* error was detected */
}
- texUnit = _mesa_get_current_tex_unit(ctx);
- texObj = _mesa_select_tex_object(ctx, texUnit, target);
+ texObj = _mesa_get_current_tex_object(ctx, target);
_mesa_lock_texture(ctx, texObj);
{
@@ -2684,7 +2649,6 @@ _mesa_CopyTexImage1D( GLenum target, GLint level,
GLint x, GLint y,
GLsizei width, GLint border )
{
- struct gl_texture_unit *texUnit;
struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
GLsizei postConvWidth = width;
@@ -2711,8 +2675,7 @@ _mesa_CopyTexImage1D( GLenum target, GLint level,
postConvWidth, 1, border))
return;
- texUnit = _mesa_get_current_tex_unit(ctx);
- texObj = _mesa_select_tex_object(ctx, texUnit, target);
+ texObj = _mesa_get_current_tex_object(ctx, target);
_mesa_lock_texture(ctx, texObj);
{
@@ -2731,12 +2694,20 @@ _mesa_CopyTexImage1D( GLenum target, GLint level,
_mesa_init_teximage_fields(ctx, target, texImage, postConvWidth, 1, 1,
border, internalFormat);
+ /* Choose actual texture format */
+ texImage->TexFormat =
+ ctx->Driver.ChooseTextureFormat(ctx, internalFormat,
+ GL_NONE, GL_NONE);
+ ASSERT(texImage->TexFormat != MESA_FORMAT_NONE);
+
ASSERT(ctx->Driver.CopyTexImage1D);
ctx->Driver.CopyTexImage1D(ctx, target, level, internalFormat,
x, y, width, border);
ASSERT(texImage->TexFormat);
+ _mesa_set_fetch_functions(texImage, 1);
+
check_gen_mipmap(ctx, target, texObj, level);
update_fbo_texture(ctx, texObj, face, level);
@@ -2756,7 +2727,6 @@ _mesa_CopyTexImage2D( GLenum target, GLint level, GLenum internalFormat,
GLint x, GLint y, GLsizei width, GLsizei height,
GLint border )
{
- struct gl_texture_unit *texUnit;
struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
GLsizei postConvWidth = width, postConvHeight = height;
@@ -2784,8 +2754,7 @@ _mesa_CopyTexImage2D( GLenum target, GLint level, GLenum internalFormat,
postConvWidth, postConvHeight, border))
return;
- texUnit = _mesa_get_current_tex_unit(ctx);
- texObj = _mesa_select_tex_object(ctx, texUnit, target);
+ texObj = _mesa_get_current_tex_object(ctx, target);
_mesa_lock_texture(ctx, texObj);
{
@@ -2806,12 +2775,20 @@ _mesa_CopyTexImage2D( GLenum target, GLint level, GLenum internalFormat,
postConvWidth, postConvHeight, 1,
border, internalFormat);
+ /* Choose actual texture format */
+ texImage->TexFormat =
+ ctx->Driver.ChooseTextureFormat(ctx, internalFormat,
+ GL_NONE, GL_NONE);
+ ASSERT(texImage->TexFormat != MESA_FORMAT_NONE);
+
ASSERT(ctx->Driver.CopyTexImage2D);
ctx->Driver.CopyTexImage2D(ctx, target, level, internalFormat,
x, y, width, height, border);
ASSERT(texImage->TexFormat);
+ _mesa_set_fetch_functions(texImage, 2);
+
check_gen_mipmap(ctx, target, texObj, level);
update_fbo_texture(ctx, texObj, face, level);
@@ -2829,7 +2806,6 @@ void GLAPIENTRY
_mesa_CopyTexSubImage1D( GLenum target, GLint level,
GLint xoffset, GLint x, GLint y, GLsizei width )
{
- struct gl_texture_unit *texUnit;
struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
GLsizei postConvWidth = width;
@@ -2850,8 +2826,7 @@ _mesa_CopyTexSubImage1D( GLenum target, GLint level,
if (copytexsubimage_error_check1(ctx, 1, target, level))
return;
- texUnit = _mesa_get_current_tex_unit(ctx);
- texObj = _mesa_select_tex_object(ctx, texUnit, target);
+ texObj = _mesa_get_current_tex_object(ctx, target);
_mesa_lock_texture(ctx, texObj);
{
@@ -2894,7 +2869,6 @@ _mesa_CopyTexSubImage2D( GLenum target, GLint level,
GLint xoffset, GLint yoffset,
GLint x, GLint y, GLsizei width, GLsizei height )
{
- struct gl_texture_unit *texUnit;
struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
GLsizei postConvWidth = width, postConvHeight = height;
@@ -2912,8 +2886,7 @@ _mesa_CopyTexSubImage2D( GLenum target, GLint level,
if (copytexsubimage_error_check1(ctx, 2, target, level))
return;
- texUnit = _mesa_get_current_tex_unit(ctx);
- texObj = _mesa_select_tex_object(ctx, texUnit, target);
+ texObj = _mesa_get_current_tex_object(ctx, target);
_mesa_lock_texture(ctx, texObj);
{
@@ -2959,7 +2932,6 @@ _mesa_CopyTexSubImage3D( GLenum target, GLint level,
GLint xoffset, GLint yoffset, GLint zoffset,
GLint x, GLint y, GLsizei width, GLsizei height )
{
- struct gl_texture_unit *texUnit;
struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
GLsizei postConvWidth = width, postConvHeight = height;
@@ -2977,8 +2949,7 @@ _mesa_CopyTexSubImage3D( GLenum target, GLint level,
if (copytexsubimage_error_check1(ctx, 3, target, level))
return;
- texUnit = _mesa_get_current_tex_unit(ctx);
- texObj = _mesa_select_tex_object(ctx, texUnit, target);
+ texObj = _mesa_get_current_tex_object(ctx, target);
_mesa_lock_texture(ctx, texObj);
{
@@ -3027,6 +2998,29 @@ _mesa_CopyTexSubImage3D( GLenum target, GLint level,
/**
+ * Return expected size of a compressed texture.
+ */
+static GLuint
+compressed_tex_size(GLsizei width, GLsizei height, GLsizei depth,
+ GLenum glformat)
+{
+ gl_format mesaFormat = _mesa_glenum_to_compressed_format(glformat);
+ return _mesa_format_image_size(mesaFormat, width, height, depth);
+}
+
+
+/*
+ * Return compressed texture block size, in pixels.
+ */
+static void
+get_compressed_block_size(GLenum glformat, GLuint *bw, GLuint *bh)
+{
+ gl_format mesaFormat = _mesa_glenum_to_compressed_format(glformat);
+ _mesa_get_format_block_size(mesaFormat, bw, bh);
+}
+
+
+/**
* Error checking for glCompressedTexImage[123]D().
* \return error code or GL_NO_ERROR.
*/
@@ -3108,8 +3102,7 @@ compressed_texture_error_check(GLcontext *ctx, GLint dimensions,
if (level < 0 || level >= maxLevels)
return GL_INVALID_VALUE;
- expectedSize = _mesa_compressed_texture_size_glenum(ctx, width, height,
- depth, internalFormat);
+ expectedSize = compressed_tex_size(width, height, depth, internalFormat);
if (expectedSize != imageSize)
return GL_INVALID_VALUE;
@@ -3142,6 +3135,7 @@ compressed_subtexture_error_check(GLcontext *ctx, GLint dimensions,
GLenum format, GLsizei imageSize)
{
GLint expectedSize, maxLevels = 0, maxTextureSize;
+ GLuint bw, bh;
(void) zoffset;
if (dimensions == 1) {
@@ -3191,20 +3185,21 @@ compressed_subtexture_error_check(GLcontext *ctx, GLint dimensions,
if (level < 0 || level >= maxLevels)
return GL_INVALID_VALUE;
- /* XXX these tests are specific to the compressed format.
- * this code should be generalized in some way.
+ /*
+ * do checks which depend on compression block size
*/
- if ((xoffset & 3) != 0 || (yoffset & 3) != 0)
+ get_compressed_block_size(format, &bw, &bh);
+
+ if ((xoffset % bw != 0) || (yoffset % bh != 0))
return GL_INVALID_VALUE;
- if ((width & 3) != 0 && width != 2 && width != 1)
+ if ((width % bw != 0) && width != 2 && width != 1)
return GL_INVALID_VALUE;
- if ((height & 3) != 0 && height != 2 && height != 1)
+ if ((height % bh != 0) && height != 2 && height != 1)
return GL_INVALID_VALUE;
- expectedSize = _mesa_compressed_texture_size_glenum(ctx, width, height,
- depth, format);
+ expectedSize = compressed_tex_size(width, height, depth, format);
if (expectedSize != imageSize)
return GL_INVALID_VALUE;
@@ -3212,6 +3207,55 @@ compressed_subtexture_error_check(GLcontext *ctx, GLint dimensions,
}
+/**
+ * Do second part of glCompressedTexSubImage error checking.
+ * \return GL_TRUE if error found, GL_FALSE otherwise.
+ */
+static GLboolean
+compressed_subtexture_error_check2(GLcontext *ctx, GLuint dims,
+ GLsizei width, GLsizei height,
+ GLsizei depth, GLenum format,
+ struct gl_texture_image *texImage)
+{
+
+ if ((GLint) format != texImage->InternalFormat) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glCompressedTexSubImage%uD(format=0x%x)", dims, format);
+ return GL_TRUE;
+ }
+
+ if (((width == 1 || width == 2) &&
+ (GLuint) width != texImage->Width) ||
+ (width > texImage->Width)) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glCompressedTexSubImage%uD(width=%d)", dims, width);
+ return GL_TRUE;
+ }
+
+ if (dims >= 2) {
+ if (((height == 1 || height == 2) &&
+ (GLuint) height != texImage->Height) ||
+ (height > texImage->Height)) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glCompressedTexSubImage%uD(height=%d)", dims, height);
+ return GL_TRUE;
+ }
+ }
+
+ if (dims >= 3) {
+ if (((depth == 1 || depth == 2) &&
+ (GLuint) depth != texImage->Depth) ||
+ (depth > texImage->Depth)) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glCompressedTexSubImage%uD(depth=%d)", dims, depth);
+ return GL_TRUE;
+ }
+ }
+
+ return GL_FALSE;
+}
+
+
void GLAPIENTRY
_mesa_CompressedTexImage1DARB(GLenum target, GLint level,
@@ -3230,7 +3274,6 @@ _mesa_CompressedTexImage1DARB(GLenum target, GLint level,
if (target == GL_TEXTURE_1D) {
/* non-proxy target */
- struct gl_texture_unit *texUnit;
struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
GLenum error = compressed_texture_error_check(ctx, 1, target, level,
@@ -3240,8 +3283,7 @@ _mesa_CompressedTexImage1DARB(GLenum target, GLint level,
return;
}
- texUnit = _mesa_get_current_tex_unit(ctx);
- texObj = _mesa_select_tex_object(ctx, texUnit, target);
+ texObj = _mesa_get_current_tex_object(ctx, target);
_mesa_lock_texture(ctx, texObj);
{
@@ -3258,12 +3300,20 @@ _mesa_CompressedTexImage1DARB(GLenum target, GLint level,
_mesa_init_teximage_fields(ctx, target, texImage, width, 1, 1,
border, internalFormat);
+ /* Choose actual texture format */
+ texImage->TexFormat =
+ ctx->Driver.ChooseTextureFormat(ctx, internalFormat,
+ GL_NONE, GL_NONE);
+ ASSERT(texImage->TexFormat != MESA_FORMAT_NONE);
+
ASSERT(ctx->Driver.CompressedTexImage1D);
ctx->Driver.CompressedTexImage1D(ctx, target, level,
internalFormat, width, border,
imageSize, data,
texObj, texImage);
+ _mesa_set_fetch_functions(texImage, 1);
+
check_gen_mipmap(ctx, target, texObj, level);
/* state update */
@@ -3292,11 +3342,10 @@ _mesa_CompressedTexImage1DARB(GLenum target, GLint level,
}
else {
/* store the teximage parameters */
- struct gl_texture_unit *texUnit;
struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
- texUnit = _mesa_get_current_tex_unit(ctx);
- texObj = _mesa_select_tex_object(ctx, texUnit, target);
+
+ texObj = _mesa_get_current_tex_object(ctx, target);
_mesa_lock_texture(ctx, texObj);
{
@@ -3334,9 +3383,9 @@ _mesa_CompressedTexImage2DARB(GLenum target, GLint level,
target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB &&
target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB)) {
/* non-proxy target */
- struct gl_texture_unit *texUnit;
struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
+
GLenum error = compressed_texture_error_check(ctx, 2, target, level,
internalFormat, width, height, 1, border, imageSize);
if (error) {
@@ -3344,8 +3393,7 @@ _mesa_CompressedTexImage2DARB(GLenum target, GLint level,
return;
}
- texUnit = _mesa_get_current_tex_unit(ctx);
- texObj = _mesa_select_tex_object(ctx, texUnit, target);
+ texObj = _mesa_get_current_tex_object(ctx, target);
_mesa_lock_texture(ctx, texObj);
{
@@ -3362,12 +3410,20 @@ _mesa_CompressedTexImage2DARB(GLenum target, GLint level,
_mesa_init_teximage_fields(ctx, target, texImage, width, height, 1,
border, internalFormat);
+ /* Choose actual texture format */
+ texImage->TexFormat =
+ ctx->Driver.ChooseTextureFormat(ctx, internalFormat,
+ GL_NONE, GL_NONE);
+ ASSERT(texImage->TexFormat != MESA_FORMAT_NONE);
+
ASSERT(ctx->Driver.CompressedTexImage2D);
ctx->Driver.CompressedTexImage2D(ctx, target, level,
internalFormat, width, height,
border, imageSize, data,
texObj, texImage);
+ _mesa_set_fetch_functions(texImage, 2);
+
check_gen_mipmap(ctx, target, texObj, level);
/* state update */
@@ -3398,11 +3454,10 @@ _mesa_CompressedTexImage2DARB(GLenum target, GLint level,
}
else {
/* store the teximage parameters */
- struct gl_texture_unit *texUnit;
struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
- texUnit = _mesa_get_current_tex_unit(ctx);
- texObj = _mesa_select_tex_object(ctx, texUnit, target);
+
+ texObj = _mesa_get_current_tex_object(ctx, target);
_mesa_lock_texture(ctx, texObj);
{
@@ -3437,7 +3492,6 @@ _mesa_CompressedTexImage3DARB(GLenum target, GLint level,
if (target == GL_TEXTURE_3D) {
/* non-proxy target */
- struct gl_texture_unit *texUnit;
struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
GLenum error = compressed_texture_error_check(ctx, 3, target, level,
@@ -3447,8 +3501,8 @@ _mesa_CompressedTexImage3DARB(GLenum target, GLint level,
return;
}
- texUnit = _mesa_get_current_tex_unit(ctx);
- texObj = _mesa_select_tex_object(ctx, texUnit, target);
+ texObj = _mesa_get_current_tex_object(ctx, target);
+
_mesa_lock_texture(ctx, texObj);
{
texImage = _mesa_get_tex_image(ctx, texObj, target, level);
@@ -3465,6 +3519,12 @@ _mesa_CompressedTexImage3DARB(GLenum target, GLint level,
width, height, depth,
border, internalFormat);
+ /* Choose actual texture format */
+ texImage->TexFormat =
+ ctx->Driver.ChooseTextureFormat(ctx, internalFormat,
+ GL_NONE, GL_NONE);
+ ASSERT(texImage->TexFormat != MESA_FORMAT_NONE);
+
ASSERT(ctx->Driver.CompressedTexImage3D);
ctx->Driver.CompressedTexImage3D(ctx, target, level,
internalFormat,
@@ -3472,6 +3532,8 @@ _mesa_CompressedTexImage3DARB(GLenum target, GLint level,
border, imageSize, data,
texObj, texImage);
+ _mesa_set_fetch_functions(texImage, 3);
+
check_gen_mipmap(ctx, target, texObj, level);
/* state update */
@@ -3500,11 +3562,11 @@ _mesa_CompressedTexImage3DARB(GLenum target, GLint level,
}
else {
/* store the teximage parameters */
- struct gl_texture_unit *texUnit;
struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
- texUnit = _mesa_get_current_tex_unit(ctx);
- texObj = _mesa_select_tex_object(ctx, texUnit, target);
+
+ texObj = _mesa_get_current_tex_object(ctx, target);
+
_mesa_lock_texture(ctx, texObj);
{
texImage = _mesa_select_tex_image(ctx, texObj, target, level);
@@ -3521,50 +3583,71 @@ _mesa_CompressedTexImage3DARB(GLenum target, GLint level,
}
-void GLAPIENTRY
-_mesa_CompressedTexSubImage1DARB(GLenum target, GLint level, GLint xoffset,
- GLsizei width, GLenum format,
- GLsizei imageSize, const GLvoid *data)
+/**
+ * Common helper for glCompressedTexSubImage1/2/3D().
+ */
+static void
+compressed_tex_sub_image(GLuint dims, GLenum target, GLint level,
+ GLint xoffset, GLint yoffset, GLint zoffset,
+ GLsizei width, GLsizei height, GLsizei depth,
+ GLenum format, GLsizei imageSize, const GLvoid *data)
{
- struct gl_texture_unit *texUnit;
struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
GLenum error;
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
- error = compressed_subtexture_error_check(ctx, 1, target, level,
+ error = compressed_subtexture_error_check(ctx, dims, target, level,
xoffset, 0, 0, /* pos */
- width, 1, 1, /* size */
+ width, height, depth, /* size */
format, imageSize);
if (error) {
- _mesa_error(ctx, error, "glCompressedTexSubImage1D");
+ _mesa_error(ctx, error, "glCompressedTexSubImage%uD", dims);
return;
}
- texUnit = _mesa_get_current_tex_unit(ctx);
- texObj = _mesa_select_tex_object(ctx, texUnit, target);
+ texObj = _mesa_get_current_tex_object(ctx, target);
_mesa_lock_texture(ctx, texObj);
{
texImage = _mesa_select_tex_image(ctx, texObj, target, level);
assert(texImage);
- if ((GLint) format != texImage->InternalFormat) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glCompressedTexSubImage1D(format)");
- }
- else if ((width == 1 || width == 2) &&
- (GLuint) width != texImage->Width) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glCompressedTexSubImage1D(width)");
+ if (compressed_subtexture_error_check2(ctx, dims, width, height, depth,
+ format, texImage)) {
+ /* error was recorded */
}
- else if (width > 0) {
- if (ctx->Driver.CompressedTexSubImage1D) {
- ctx->Driver.CompressedTexSubImage1D(ctx, target, level,
- xoffset, width,
- format, imageSize, data,
- texObj, texImage);
+ else if (width > 0 && height > 0 && depth > 0) {
+ switch (dims) {
+ case 1:
+ if (ctx->Driver.CompressedTexSubImage1D) {
+ ctx->Driver.CompressedTexSubImage1D(ctx, target, level,
+ xoffset, width,
+ format, imageSize, data,
+ texObj, texImage);
+ }
+ break;
+ case 2:
+ if (ctx->Driver.CompressedTexSubImage2D) {
+ ctx->Driver.CompressedTexSubImage2D(ctx, target, level,
+ xoffset, yoffset,
+ width, height,
+ format, imageSize, data,
+ texObj, texImage);
+ }
+ break;
+ case 3:
+ if (ctx->Driver.CompressedTexSubImage3D) {
+ ctx->Driver.CompressedTexSubImage3D(ctx, target, level,
+ xoffset, yoffset, zoffset,
+ width, height, depth,
+ format, imageSize, data,
+ texObj, texImage);
+ }
+ break;
+ default:
+ ;
}
check_gen_mipmap(ctx, target, texObj, level);
@@ -3577,60 +3660,23 @@ _mesa_CompressedTexSubImage1DARB(GLenum target, GLint level, GLint xoffset,
void GLAPIENTRY
+_mesa_CompressedTexSubImage1DARB(GLenum target, GLint level, GLint xoffset,
+ GLsizei width, GLenum format,
+ GLsizei imageSize, const GLvoid *data)
+{
+ compressed_tex_sub_image(1, target, level, xoffset, 0, 0, width, 1, 1,
+ format, imageSize, data);
+}
+
+
+void GLAPIENTRY
_mesa_CompressedTexSubImage2DARB(GLenum target, GLint level, GLint xoffset,
GLint yoffset, GLsizei width, GLsizei height,
GLenum format, GLsizei imageSize,
const GLvoid *data)
{
- struct gl_texture_unit *texUnit;
- struct gl_texture_object *texObj;
- struct gl_texture_image *texImage;
- GLenum error;
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
-
- error = compressed_subtexture_error_check(ctx, 2, target, level,
- xoffset, yoffset, 0, /* pos */
- width, height, 1, /* size */
- format, imageSize);
- if (error) {
- /* XXX proxy target? */
- _mesa_error(ctx, error, "glCompressedTexSubImage2D");
- return;
- }
-
- texUnit = _mesa_get_current_tex_unit(ctx);
- texObj = _mesa_select_tex_object(ctx, texUnit, target);
-
- _mesa_lock_texture(ctx, texObj);
- {
- texImage = _mesa_select_tex_image(ctx, texObj, target, level);
- assert(texImage);
-
- if ((GLint) format != texImage->InternalFormat) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glCompressedTexSubImage2D(format)");
- }
- else if (((width == 1 || width == 2)
- && (GLuint) width != texImage->Width) ||
- ((height == 1 || height == 2)
- && (GLuint) height != texImage->Height)) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glCompressedTexSubImage2D(size)");
- }
- else if (width > 0 && height > 0) {
- if (ctx->Driver.CompressedTexSubImage2D) {
- ctx->Driver.CompressedTexSubImage2D(ctx, target, level,
- xoffset, yoffset, width, height,
- format, imageSize, data,
- texObj, texImage);
- }
-
- check_gen_mipmap(ctx, target, texObj, level);
-
- ctx->NewState |= _NEW_TEXTURE;
- }
- }
- _mesa_unlock_texture(ctx, texObj);
+ compressed_tex_sub_image(2, target, level, xoffset, yoffset, 0,
+ width, height, 1, format, imageSize, data);
}
@@ -3640,57 +3686,8 @@ _mesa_CompressedTexSubImage3DARB(GLenum target, GLint level, GLint xoffset,
GLsizei height, GLsizei depth, GLenum format,
GLsizei imageSize, const GLvoid *data)
{
- struct gl_texture_unit *texUnit;
- struct gl_texture_object *texObj;
- struct gl_texture_image *texImage;
- GLenum error;
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
-
- error = compressed_subtexture_error_check(ctx, 3, target, level,
- xoffset, yoffset, zoffset,/*pos*/
- width, height, depth, /*size*/
- format, imageSize);
- if (error) {
- _mesa_error(ctx, error, "glCompressedTexSubImage3D");
- return;
- }
-
- texUnit = _mesa_get_current_tex_unit(ctx);
- texObj = _mesa_select_tex_object(ctx, texUnit, target);
-
- _mesa_lock_texture(ctx, texObj);
- {
- texImage = _mesa_select_tex_image(ctx, texObj, target, level);
- assert(texImage);
-
- if ((GLint) format != texImage->InternalFormat) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glCompressedTexSubImage3D(format)");
- }
- else if (((width == 1 || width == 2)
- && (GLuint) width != texImage->Width) ||
- ((height == 1 || height == 2)
- && (GLuint) height != texImage->Height) ||
- ((depth == 1 || depth == 2)
- && (GLuint) depth != texImage->Depth)) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glCompressedTexSubImage3D(size)");
- }
- else if (width > 0 && height > 0 && depth > 0) {
- if (ctx->Driver.CompressedTexSubImage3D) {
- ctx->Driver.CompressedTexSubImage3D(ctx, target, level,
- xoffset, yoffset, zoffset,
- width, height, depth,
- format, imageSize, data,
- texObj, texImage);
- }
-
- check_gen_mipmap(ctx, target, texObj, level);
-
- ctx->NewState |= _NEW_TEXTURE;
- }
- }
- _mesa_unlock_texture(ctx, texObj);
+ compressed_tex_sub_image(3, target, level, xoffset, yoffset, zoffset,
+ width, height, depth, format, imageSize, data);
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-11 08:34:07 +0000