* 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 + 2);
+ assert(NUM_TEXTURE_TARGETS == 10 + 2);
return (target == GL_PROXY_TEXTURE_1D ||
target == GL_PROXY_TEXTURE_2D ||
target == GL_PROXY_TEXTURE_RECTANGLE_NV ||
target == GL_PROXY_TEXTURE_1D_ARRAY_EXT ||
target == GL_PROXY_TEXTURE_2D_ARRAY_EXT ||
- target == GL_PROXY_TEXTURE_CUBE_MAP_ARRAY);
+ target == GL_PROXY_TEXTURE_CUBE_MAP_ARRAY ||
+ target == GL_PROXY_TEXTURE_2D_MULTISAMPLE ||
+ target == GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY);
}
case GL_TEXTURE_CUBE_MAP_ARRAY:
case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY:
return GL_PROXY_TEXTURE_CUBE_MAP_ARRAY;
+ case GL_TEXTURE_2D_MULTISAMPLE:
+ case GL_PROXY_TEXTURE_2D_MULTISAMPLE:
+ return GL_PROXY_TEXTURE_2D_MULTISAMPLE;
+ case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
+ case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY:
+ return GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY;
default:
_mesa_problem(NULL, "unexpected target in _mesa_get_proxy_target()");
return 0;
case GL_TEXTURE_EXTERNAL_OES:
return ctx->Extensions.OES_EGL_image_external
? texUnit->CurrentTex[TEXTURE_EXTERNAL_INDEX] : NULL;
+ case GL_TEXTURE_2D_MULTISAMPLE:
+ return ctx->Extensions.ARB_texture_multisample
+ ? texUnit->CurrentTex[TEXTURE_2D_MULTISAMPLE_INDEX] : NULL;
+ case GL_PROXY_TEXTURE_2D_MULTISAMPLE:
+ return ctx->Extensions.ARB_texture_multisample
+ ? ctx->Texture.ProxyTex[TEXTURE_2D_MULTISAMPLE_INDEX] : NULL;
+ case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
+ return ctx->Extensions.ARB_texture_multisample
+ ? texUnit->CurrentTex[TEXTURE_2D_MULTISAMPLE_ARRAY_INDEX] : NULL;
+ case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY:
+ return ctx->Extensions.ARB_texture_multisample
+ ? ctx->Texture.ProxyTex[TEXTURE_2D_MULTISAMPLE_ARRAY_INDEX] : NULL;
default:
_mesa_problem(NULL, "bad target in _mesa_select_tex_object()");
return NULL;
return NULL;
texIndex = TEXTURE_CUBE_ARRAY_INDEX;
break;
+ case GL_PROXY_TEXTURE_2D_MULTISAMPLE:
+ if (level > 0)
+ return 0;
+ texIndex = TEXTURE_2D_MULTISAMPLE_INDEX;
+ break;
+ case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY:
+ if (level > 0)
+ return 0;
+ texIndex = TEXTURE_2D_MULTISAMPLE_ARRAY_INDEX;
+ break;
default:
return NULL;
}
case GL_TEXTURE_BUFFER:
return ctx->API == API_OPENGL_CORE &&
ctx->Extensions.ARB_texture_buffer_object ? 1 : 0;
+ case GL_TEXTURE_2D_MULTISAMPLE:
+ case GL_PROXY_TEXTURE_2D_MULTISAMPLE:
+ case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
+ case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY:
+ return _mesa_is_desktop_gl(ctx)
+ && ctx->Extensions.ARB_texture_multisample
+ ? 1 : 0;
case GL_TEXTURE_EXTERNAL_OES:
/* fall-through */
default:
case GL_TEXTURE_1D_ARRAY:
case GL_PROXY_TEXTURE_1D_ARRAY:
case GL_TEXTURE_EXTERNAL_OES:
+ case GL_TEXTURE_2D_MULTISAMPLE:
+ case GL_PROXY_TEXTURE_2D_MULTISAMPLE:
return 2;
case GL_TEXTURE_3D:
case GL_PROXY_TEXTURE_3D:
case GL_PROXY_TEXTURE_2D_ARRAY:
case GL_TEXTURE_CUBE_MAP_ARRAY:
case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY:
+ case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
+ case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY:
return 3;
case GL_TEXTURE_BUFFER:
/* fall-through */
break;
case GL_TEXTURE_RECTANGLE:
case GL_TEXTURE_EXTERNAL_OES:
+ case GL_TEXTURE_2D_MULTISAMPLE:
+ case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
return 1;
default:
assert(0);
img->HeightLog2 = 0;
img->DepthLog2 = 0;
img->TexFormat = MESA_FORMAT_NONE;
+ img->NumSamples = 0;
+ img->FixedSampleLocations = GL_TRUE;
}
img->Width2 = width - 2 * border; /* == 1 << img->WidthLog2; */
img->WidthLog2 = _mesa_logbase2(img->Width2);
+ img->NumSamples = 0;
+ img->FixedSampleLocations = GL_TRUE;
+
switch(target) {
case GL_TEXTURE_1D:
case GL_TEXTURE_BUFFER:
case GL_PROXY_TEXTURE_2D:
case GL_PROXY_TEXTURE_RECTANGLE:
case GL_PROXY_TEXTURE_CUBE_MAP:
+ case GL_TEXTURE_2D_MULTISAMPLE:
+ case GL_PROXY_TEXTURE_2D_MULTISAMPLE:
img->Height2 = height - 2 * border; /* == 1 << img->HeightLog2; */
img->HeightLog2 = _mesa_logbase2(img->Height2);
if (depth == 0)
case GL_PROXY_TEXTURE_2D_ARRAY:
case GL_TEXTURE_CUBE_MAP_ARRAY:
case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY:
+ case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
+ case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY:
img->Height2 = height - 2 * border; /* == 1 << img->HeightLog2; */
img->HeightLog2 = _mesa_logbase2(img->Height2);
img->Depth2 = depth; /* no border */
case GL_TEXTURE_2D:
case GL_PROXY_TEXTURE_2D:
+ case GL_TEXTURE_2D_MULTISAMPLE:
+ case GL_PROXY_TEXTURE_2D_MULTISAMPLE:
maxSize = 1 << (ctx->Const.MaxTextureLevels - 1);
maxSize >>= level;
if (width < 2 * border || width > 2 * border + maxSize)
case GL_TEXTURE_2D_ARRAY_EXT:
case GL_PROXY_TEXTURE_2D_ARRAY_EXT:
+ case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
+ case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY:
maxSize = 1 << (ctx->Const.MaxTextureLevels - 1);
maxSize >>= level;
if (width < 2 * border || width > 2 * border + maxSize)
return;
}
+ if (!image) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glEGLImageTargetTexture2D(image=%p)", image);
+ return;
+ }
+
if (ctx->NewState & _NEW_PIXEL)
_mesa_update_state(ctx);
texbufferrange(ctx, target, internalFormat, bufObj, offset, size);
}
+
+static GLboolean
+is_renderable_texture_format(struct gl_context *ctx, GLenum internalformat)
+{
+ /* Everything that is allowed for renderbuffers,
+ * except for a base format of GL_STENCIL_INDEX.
+ */
+ GLenum baseFormat = _mesa_base_fbo_format(ctx, internalformat);
+ return baseFormat != 0 && baseFormat != GL_STENCIL_INDEX;
+}
+
+/** GL_ARB_texture_multisample */
+static GLboolean
+check_multisample_target(GLuint dims, GLenum target)
+{
+ switch(target) {
+ case GL_TEXTURE_2D_MULTISAMPLE:
+ case GL_PROXY_TEXTURE_2D_MULTISAMPLE:
+ return dims == 2;
+
+ case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
+ case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY:
+ return dims == 3;
+
+ default:
+ return GL_FALSE;
+ }
+}
+
+static void
+teximagemultisample(GLuint dims, GLenum target, GLsizei samples,
+ GLint internalformat, GLsizei width, GLsizei height,
+ GLsizei depth, GLboolean fixedsamplelocations)
+{
+ struct gl_texture_object *texObj;
+ struct gl_texture_image *texImage;
+ GLboolean sizeOK, dimensionsOK;
+ gl_format texFormat;
+
+ GET_CURRENT_CONTEXT(ctx);
+
+ if (!(ctx->Extensions.ARB_texture_multisample
+ && _mesa_is_desktop_gl(ctx))) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glTexImage%uDMultisample", dims);
+ return;
+ }
+
+ if (!check_multisample_target(dims, target)) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glTexImage%uDMultisample(target)", dims);
+ return;
+ }
+
+ /* check that the specified internalformat is color/depth/stencil-renderable;
+ * refer GL3.1 spec 4.4.4
+ */
+
+ if (!is_renderable_texture_format(ctx, internalformat)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glTexImage%uDMultisample(internalformat=%s)",
+ dims,
+ _mesa_lookup_enum_by_nr(internalformat));
+ return;
+ }
+
+ if (_mesa_is_enum_format_integer(internalformat)) {
+ if (samples > ctx->Const.MaxIntegerSamples) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glTexImage%uDMultisample(samples>GL_MAX_INTEGER_SAMPLES)",
+ dims);
+ return;
+ }
+ }
+ else if (_mesa_is_depth_or_stencil_format(internalformat)) {
+ if (samples > ctx->Const.MaxDepthTextureSamples) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glTexImage%uDMultisample(samples>GL_MAX_DEPTH_TEXTURE_SAMPLES)",
+ dims);
+ return;
+ }
+ }
+ else {
+ if (samples > ctx->Const.MaxColorTextureSamples) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glTexImage%uDMultisample(samples>GL_MAX_COLOR_TEXTURE_SAMPLES)",
+ dims);
+ return;
+ }
+ }
+
+ /* TODO: should ask the driver for the exact limit for this internalformat
+ * once IDR's internalformat_query bits land
+ */
+
+ texObj = _mesa_get_current_tex_object(ctx, target);
+ texImage = _mesa_get_tex_image(ctx, texObj, 0, 0);
+
+ if (texImage == NULL) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage%uDMultisample()", dims);
+ return;
+ }
+
+ texFormat = _mesa_choose_texture_format(ctx, texObj, target, 0,
+ internalformat, GL_NONE, GL_NONE);
+ assert(texFormat != MESA_FORMAT_NONE);
+
+ dimensionsOK = _mesa_legal_texture_dimensions(ctx, target, 0,
+ width, height, depth, 0);
+
+ sizeOK = ctx->Driver.TestProxyTexImage(ctx, target, 0, texFormat,
+ width, height, depth, 0);
+
+ if (_mesa_is_proxy_texture(target)) {
+ if (dimensionsOK && sizeOK) {
+ _mesa_init_teximage_fields(ctx, texImage,
+ width, height, depth, 0, internalformat, texFormat);
+ texImage->NumSamples = samples;
+ texImage->FixedSampleLocations = fixedsamplelocations;
+ }
+ else {
+ /* clear all image fields */
+ _mesa_init_teximage_fields(ctx, texImage,
+ 0, 0, 0, 0, GL_NONE, MESA_FORMAT_NONE);
+ }
+ }
+ else {
+ if (!dimensionsOK) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glTexImage%uDMultisample(invalid width or height)", dims);
+ return;
+ }
+
+ if (!sizeOK) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY,
+ "glTexImage%uDMultisample(texture too large)", dims);
+ return;
+ }
+
+ ctx->Driver.FreeTextureImageBuffer(ctx, texImage);
+
+ _mesa_init_teximage_fields(ctx, texImage,
+ width, height, depth, 0, internalformat, texFormat);
+
+ texImage->NumSamples = samples;
+ texImage->FixedSampleLocations = fixedsamplelocations;
+
+ if (width > 0 && height > 0 && depth > 0) {
+
+ if (!ctx->Driver.AllocTextureStorage(ctx, texObj, 1,
+ width, height, depth)) {
+ /* tidy up the texture image state. strictly speaking,
+ * we're allowed to just leave this in whatever state we
+ * like, but being tidy is good.
+ */
+ _mesa_init_teximage_fields(ctx, texImage,
+ 0, 0, 0, 0, GL_NONE, MESA_FORMAT_NONE);
+ }
+ }
+
+ _mesa_update_fbo_texture(ctx, texObj, 0, 0);
+ }
+}
+
+void GLAPIENTRY
+_mesa_TexImage2DMultisample(GLenum target, GLsizei samples,
+ GLint internalformat, GLsizei width,
+ GLsizei height, GLboolean fixedsamplelocations)
+{
+ teximagemultisample(2, target, samples, internalformat,
+ width, height, 1, fixedsamplelocations);
+}
+
+void GLAPIENTRY
+_mesa_TexImage3DMultisample(GLenum target, GLsizei samples,
+ GLint internalformat, GLsizei width,
+ GLsizei height, GLsizei depth,
+ GLboolean fixedsamplelocations)
+{
+ teximagemultisample(3, target, samples, internalformat,
+ width, height, depth, fixedsamplelocations);
+}
projects / mesa.git / blobdiff