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|
/*
* Copyright © 2012 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* 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
* 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 "mtypes.h"
#include "context.h"
#include "glformats.h"
#include "macros.h"
#include "enums.h"
#include "fbobject.h"
#include "formatquery.h"
#include "teximage.h"
static bool
_is_renderable(struct gl_context *ctx, GLenum internalformat)
{
/* Section 4.4.4 on page 212 of the GLES 3.0.4 spec says:
*
* "An internal format is color-renderable if it is one of the
* formats from table 3.13 noted as color-renderable or if it
* is unsized format RGBA or RGB."
*
* Therefore, we must accept GL_RGB and GL_RGBA here.
*/
if (internalformat != GL_RGB && internalformat != GL_RGBA &&
_mesa_base_fbo_format(ctx, internalformat) == 0)
return false;
return true;
}
/* Handles the cases where either ARB_internalformat_query or
* ARB_internalformat_query2 have to return an error.
*/
static bool
_legal_parameters(struct gl_context *ctx, GLenum target, GLenum internalformat,
GLenum pname, GLsizei bufSize, GLint *params)
{
bool query2 = _mesa_has_ARB_internalformat_query2(ctx);
/* The ARB_internalformat_query2 spec says:
*
* "The INVALID_ENUM error is generated if the <target> parameter to
* GetInternalformati*v is not one of the targets listed in Table 6.xx.
*/
switch(target){
case GL_TEXTURE_1D:
case GL_TEXTURE_1D_ARRAY:
case GL_TEXTURE_2D:
case GL_TEXTURE_2D_ARRAY:
case GL_TEXTURE_3D:
case GL_TEXTURE_CUBE_MAP:
case GL_TEXTURE_CUBE_MAP_ARRAY:
case GL_TEXTURE_RECTANGLE:
case GL_TEXTURE_BUFFER:
if (!query2) {
/* The ARB_internalformat_query spec says:
*
* "If the <target> parameter to GetInternalformativ is not one of
* TEXTURE_2D_MULTISAMPLE, TEXTURE_2D_MULTISAMPLE_ARRAY
* or RENDERBUFFER then an INVALID_ENUM error is generated.
*/
_mesa_error(ctx, GL_INVALID_ENUM,
"glGetInternalformativ(target=%s)",
_mesa_enum_to_string(target));
return false;
}
break;
case GL_RENDERBUFFER:
break;
case GL_TEXTURE_2D_MULTISAMPLE:
case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
/* The non-existence of ARB_texture_multisample is treated in
* ARB_internalformat_query implementation like an error.
*/
if (!query2 &&
!(_mesa_has_ARB_texture_multisample(ctx) || _mesa_is_gles31(ctx))) {
_mesa_error(ctx, GL_INVALID_ENUM,
"glGetInternalformativ(target=%s)",
_mesa_enum_to_string(target));
return false;
}
break;
default:
_mesa_error(ctx, GL_INVALID_ENUM,
"glGetInternalformativ(target=%s)",
_mesa_enum_to_string(target));
return false;
}
/* The ARB_internalformat_query2 spec says:
*
* "The INVALID_ENUM error is generated if the <pname> parameter is
* not one of the listed possibilities.
*/
switch(pname){
case GL_SAMPLES:
case GL_NUM_SAMPLE_COUNTS:
break;
case GL_SRGB_DECODE_ARB:
/* The ARB_internalformat_query2 spec says:
*
* "If ARB_texture_sRGB_decode or EXT_texture_sRGB_decode or
* equivalent functionality is not supported, queries for the
* SRGB_DECODE_ARB <pname> set the INVALID_ENUM error.
*/
if (!_mesa_has_EXT_texture_sRGB_decode(ctx)) {
_mesa_error(ctx, GL_INVALID_ENUM,
"glGetInternalformativ(pname=%s)",
_mesa_enum_to_string(pname));
return false;
}
/* fallthrough */
case GL_INTERNALFORMAT_SUPPORTED:
case GL_INTERNALFORMAT_PREFERRED:
case GL_INTERNALFORMAT_RED_SIZE:
case GL_INTERNALFORMAT_GREEN_SIZE:
case GL_INTERNALFORMAT_BLUE_SIZE:
case GL_INTERNALFORMAT_ALPHA_SIZE:
case GL_INTERNALFORMAT_DEPTH_SIZE:
case GL_INTERNALFORMAT_STENCIL_SIZE:
case GL_INTERNALFORMAT_SHARED_SIZE:
case GL_INTERNALFORMAT_RED_TYPE:
case GL_INTERNALFORMAT_GREEN_TYPE:
case GL_INTERNALFORMAT_BLUE_TYPE:
case GL_INTERNALFORMAT_ALPHA_TYPE:
case GL_INTERNALFORMAT_DEPTH_TYPE:
case GL_INTERNALFORMAT_STENCIL_TYPE:
case GL_MAX_WIDTH:
case GL_MAX_HEIGHT:
case GL_MAX_DEPTH:
case GL_MAX_LAYERS:
case GL_MAX_COMBINED_DIMENSIONS:
case GL_COLOR_COMPONENTS:
case GL_DEPTH_COMPONENTS:
case GL_STENCIL_COMPONENTS:
case GL_COLOR_RENDERABLE:
case GL_DEPTH_RENDERABLE:
case GL_STENCIL_RENDERABLE:
case GL_FRAMEBUFFER_RENDERABLE:
case GL_FRAMEBUFFER_RENDERABLE_LAYERED:
case GL_FRAMEBUFFER_BLEND:
case GL_READ_PIXELS:
case GL_READ_PIXELS_FORMAT:
case GL_READ_PIXELS_TYPE:
case GL_TEXTURE_IMAGE_FORMAT:
case GL_TEXTURE_IMAGE_TYPE:
case GL_GET_TEXTURE_IMAGE_FORMAT:
case GL_GET_TEXTURE_IMAGE_TYPE:
case GL_MIPMAP:
case GL_MANUAL_GENERATE_MIPMAP:
case GL_AUTO_GENERATE_MIPMAP:
case GL_COLOR_ENCODING:
case GL_SRGB_READ:
case GL_SRGB_WRITE:
case GL_FILTER:
case GL_VERTEX_TEXTURE:
case GL_TESS_CONTROL_TEXTURE:
case GL_TESS_EVALUATION_TEXTURE:
case GL_GEOMETRY_TEXTURE:
case GL_FRAGMENT_TEXTURE:
case GL_COMPUTE_TEXTURE:
case GL_TEXTURE_SHADOW:
case GL_TEXTURE_GATHER:
case GL_TEXTURE_GATHER_SHADOW:
case GL_SHADER_IMAGE_LOAD:
case GL_SHADER_IMAGE_STORE:
case GL_SHADER_IMAGE_ATOMIC:
case GL_IMAGE_TEXEL_SIZE:
case GL_IMAGE_COMPATIBILITY_CLASS:
case GL_IMAGE_PIXEL_FORMAT:
case GL_IMAGE_PIXEL_TYPE:
case GL_IMAGE_FORMAT_COMPATIBILITY_TYPE:
case GL_SIMULTANEOUS_TEXTURE_AND_DEPTH_TEST:
case GL_SIMULTANEOUS_TEXTURE_AND_STENCIL_TEST:
case GL_SIMULTANEOUS_TEXTURE_AND_DEPTH_WRITE:
case GL_SIMULTANEOUS_TEXTURE_AND_STENCIL_WRITE:
case GL_TEXTURE_COMPRESSED:
case GL_TEXTURE_COMPRESSED_BLOCK_WIDTH:
case GL_TEXTURE_COMPRESSED_BLOCK_HEIGHT:
case GL_TEXTURE_COMPRESSED_BLOCK_SIZE:
case GL_CLEAR_BUFFER:
case GL_TEXTURE_VIEW:
case GL_VIEW_COMPATIBILITY_CLASS:
/* The ARB_internalformat_query spec says:
*
* "If the <pname> parameter to GetInternalformativ is not SAMPLES
* or NUM_SAMPLE_COUNTS, then an INVALID_ENUM error is generated."
*/
if (!query2) {
_mesa_error(ctx, GL_INVALID_ENUM,
"glGetInternalformativ(pname=%s)",
_mesa_enum_to_string(pname));
return false;
}
break;
default:
_mesa_error(ctx, GL_INVALID_ENUM,
"glGetInternalformativ(pname=%s)",
_mesa_enum_to_string(pname));
return false;
}
/* The ARB_internalformat_query spec says:
*
* "If the <bufSize> parameter to GetInternalformativ is negative, then
* an INVALID_VALUE error is generated."
*
* Nothing is said in ARB_internalformat_query2 but we assume the same.
*/
if (bufSize < 0) {
_mesa_error(ctx, GL_INVALID_VALUE,
"glGetInternalformativ(target=%s)",
_mesa_enum_to_string(target));
return false;
}
/* The ARB_internalformat_query spec says:
*
* "If the <internalformat> parameter to GetInternalformativ is not
* color-, depth- or stencil-renderable, then an INVALID_ENUM error is
* generated."
*/
if (!query2 && !_is_renderable(ctx, internalformat)) {
_mesa_error(ctx, GL_INVALID_ENUM,
"glGetInternalformativ(internalformat=%s)",
_mesa_enum_to_string(internalformat));
return false;
}
return true;
}
/* Sets the appropriate "unsupported" response as defined by the
* ARB_internalformat_query2 spec for each each <pname>.
*/
static void
_set_default_response(GLenum pname, GLint buffer[16])
{
/* The ARB_internalformat_query2 defines which is the reponse best
* representing "not supported" or "not applicable" for each <pname>.
*
* " In general:
* - size- or count-based queries will return zero,
* - support-, format- or type-based queries will return NONE,
* - boolean-based queries will return FALSE, and
* - list-based queries return no entries."
*/
switch(pname) {
case GL_SAMPLES:
break;
case GL_MAX_COMBINED_DIMENSIONS:
case GL_NUM_SAMPLE_COUNTS:
case GL_INTERNALFORMAT_RED_SIZE:
case GL_INTERNALFORMAT_GREEN_SIZE:
case GL_INTERNALFORMAT_BLUE_SIZE:
case GL_INTERNALFORMAT_ALPHA_SIZE:
case GL_INTERNALFORMAT_DEPTH_SIZE:
case GL_INTERNALFORMAT_STENCIL_SIZE:
case GL_INTERNALFORMAT_SHARED_SIZE:
case GL_MAX_WIDTH:
case GL_MAX_HEIGHT:
case GL_MAX_DEPTH:
case GL_MAX_LAYERS:
case GL_IMAGE_TEXEL_SIZE:
case GL_TEXTURE_COMPRESSED_BLOCK_WIDTH:
case GL_TEXTURE_COMPRESSED_BLOCK_HEIGHT:
case GL_TEXTURE_COMPRESSED_BLOCK_SIZE:
buffer[0] = 0;
break;
case GL_INTERNALFORMAT_PREFERRED:
case GL_INTERNALFORMAT_RED_TYPE:
case GL_INTERNALFORMAT_GREEN_TYPE:
case GL_INTERNALFORMAT_BLUE_TYPE:
case GL_INTERNALFORMAT_ALPHA_TYPE:
case GL_INTERNALFORMAT_DEPTH_TYPE:
case GL_INTERNALFORMAT_STENCIL_TYPE:
case GL_FRAMEBUFFER_RENDERABLE:
case GL_FRAMEBUFFER_RENDERABLE_LAYERED:
case GL_FRAMEBUFFER_BLEND:
case GL_READ_PIXELS:
case GL_READ_PIXELS_FORMAT:
case GL_READ_PIXELS_TYPE:
case GL_TEXTURE_IMAGE_FORMAT:
case GL_TEXTURE_IMAGE_TYPE:
case GL_GET_TEXTURE_IMAGE_FORMAT:
case GL_GET_TEXTURE_IMAGE_TYPE:
case GL_MANUAL_GENERATE_MIPMAP:
case GL_AUTO_GENERATE_MIPMAP:
case GL_COLOR_ENCODING:
case GL_SRGB_READ:
case GL_SRGB_WRITE:
case GL_SRGB_DECODE_ARB:
case GL_FILTER:
case GL_VERTEX_TEXTURE:
case GL_TESS_CONTROL_TEXTURE:
case GL_TESS_EVALUATION_TEXTURE:
case GL_GEOMETRY_TEXTURE:
case GL_FRAGMENT_TEXTURE:
case GL_COMPUTE_TEXTURE:
case GL_TEXTURE_SHADOW:
case GL_TEXTURE_GATHER:
case GL_TEXTURE_GATHER_SHADOW:
case GL_SHADER_IMAGE_LOAD:
case GL_SHADER_IMAGE_STORE:
case GL_SHADER_IMAGE_ATOMIC:
case GL_IMAGE_COMPATIBILITY_CLASS:
case GL_IMAGE_PIXEL_FORMAT:
case GL_IMAGE_PIXEL_TYPE:
case GL_IMAGE_FORMAT_COMPATIBILITY_TYPE:
case GL_SIMULTANEOUS_TEXTURE_AND_DEPTH_TEST:
case GL_SIMULTANEOUS_TEXTURE_AND_STENCIL_TEST:
case GL_SIMULTANEOUS_TEXTURE_AND_DEPTH_WRITE:
case GL_SIMULTANEOUS_TEXTURE_AND_STENCIL_WRITE:
case GL_CLEAR_BUFFER:
case GL_TEXTURE_VIEW:
case GL_VIEW_COMPATIBILITY_CLASS:
buffer[0] = GL_NONE;
break;
case GL_INTERNALFORMAT_SUPPORTED:
case GL_COLOR_COMPONENTS:
case GL_DEPTH_COMPONENTS:
case GL_STENCIL_COMPONENTS:
case GL_COLOR_RENDERABLE:
case GL_DEPTH_RENDERABLE:
case GL_STENCIL_RENDERABLE:
case GL_MIPMAP:
case GL_TEXTURE_COMPRESSED:
buffer[0] = GL_FALSE;
break;
default:
unreachable("invalid 'pname'");
}
}
static bool
_is_target_supported(struct gl_context *ctx, GLenum target)
{
/* The ARB_internalformat_query2 spec says:
*
* "if a particular type of <target> is not supported by the
* implementation the "unsupported" answer should be given.
* This is not an error."
*/
switch(target){
case GL_TEXTURE_2D:
case GL_TEXTURE_3D:
break;
case GL_TEXTURE_1D:
if (!_mesa_is_desktop_gl(ctx))
return false;
break;
case GL_TEXTURE_1D_ARRAY:
if (!_mesa_has_EXT_texture_array(ctx))
return false;
break;
case GL_TEXTURE_2D_ARRAY:
if (!(_mesa_has_EXT_texture_array(ctx) || _mesa_is_gles3(ctx)))
return false;
break;
case GL_TEXTURE_CUBE_MAP:
if (!_mesa_has_ARB_texture_cube_map(ctx))
return false;
break;
case GL_TEXTURE_CUBE_MAP_ARRAY:
if (!_mesa_has_ARB_texture_cube_map_array(ctx))
return false;
break;
case GL_TEXTURE_RECTANGLE:
if (!_mesa_has_NV_texture_rectangle(ctx))
return false;
break;
case GL_TEXTURE_BUFFER:
if (!_mesa_has_ARB_texture_buffer_object(ctx))
return false;
break;
case GL_RENDERBUFFER:
if (!(_mesa_has_ARB_framebuffer_object(ctx) ||
_mesa_is_gles3(ctx)))
return false;
break;
case GL_TEXTURE_2D_MULTISAMPLE:
case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
if (!(_mesa_has_ARB_texture_multisample(ctx) ||
_mesa_is_gles31(ctx)))
return false;
break;
default:
unreachable("invalid target");
}
return true;
}
static bool
_is_resource_supported(struct gl_context *ctx, GLenum target,
GLenum internalformat, GLenum pname)
{
/* From the ARB_internalformat_query2 spec:
*
* In the following descriptions, the term /resource/ is used to generically
* refer to an object of the appropriate type that has been created with
* <internalformat> and <target>. If the particular <target> and
* <internalformat> combination do not make sense, ... the "unsupported"
* answer should be given. This is not an error.
*/
/* In the ARB_internalformat_query2 spec wording, some <pnames> do not care
* about the /resource/ being supported or not, we return 'true' for those.
*/
switch (pname) {
case GL_INTERNALFORMAT_SUPPORTED:
case GL_INTERNALFORMAT_PREFERRED:
case GL_COLOR_COMPONENTS:
case GL_DEPTH_COMPONENTS:
case GL_STENCIL_COMPONENTS:
case GL_COLOR_RENDERABLE:
case GL_DEPTH_RENDERABLE:
case GL_STENCIL_RENDERABLE:
return true;
default:
break;
}
switch(target){
case GL_TEXTURE_1D:
case GL_TEXTURE_1D_ARRAY:
case GL_TEXTURE_2D:
case GL_TEXTURE_2D_ARRAY:
case GL_TEXTURE_3D:
case GL_TEXTURE_CUBE_MAP:
case GL_TEXTURE_CUBE_MAP_ARRAY:
case GL_TEXTURE_RECTANGLE:
/* Based on what Mesa does for glTexImage1D/2D/3D and
* glCompressedTexImage1D/2D/3D functions.
*/
if (_mesa_base_tex_format(ctx, internalformat) < 0)
return false;
/* additional checks for depth textures */
if (!_mesa_legal_texture_base_format_for_target(ctx, target, internalformat))
return false;
/* additional checks for compressed textures */
if (_mesa_is_compressed_format(ctx, internalformat) &&
(!_mesa_target_can_be_compressed(ctx, target, internalformat, NULL) ||
_mesa_format_no_online_compression(ctx, internalformat)))
return false;
break;
case GL_TEXTURE_2D_MULTISAMPLE:
case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
/* Based on what Mesa does for glTexImage2D/3DMultisample,
* glTexStorage2D/3DMultisample and
* glTextureStorage2D/3DMultisample functions.
*/
if (!_mesa_is_renderable_texture_format(ctx, internalformat))
return false;
break;
case GL_TEXTURE_BUFFER:
/* Based on what Mesa does for the glTexBuffer function. */
if (_mesa_validate_texbuffer_format(ctx, internalformat) ==
MESA_FORMAT_NONE)
return false;
break;
case GL_RENDERBUFFER:
/* Based on what Mesa does for glRenderbufferStorage(Multisample) and
* glNamedRenderbufferStorage functions.
*/
if (!_mesa_base_fbo_format(ctx, internalformat))
return false;
break;
default:
unreachable("bad target");
}
return true;
}
static bool
_is_internalformat_supported(struct gl_context *ctx, GLenum target,
GLenum internalformat)
{
/* From the ARB_internalformat_query2 specification:
*
* "- INTERNALFORMAT_SUPPORTED: If <internalformat> is an internal format
* that is supported by the implementation in at least some subset of
* possible operations, TRUE is written to <params>. If <internalformat>
* if not a valid token for any internal format usage, FALSE is returned.
*
* <internalformats> that must be supported (in GL 4.2 or later) include
* the following:
* - "sized internal formats" from Table 3.12, 3.13, and 3.15,
* - any specific "compressed internal format" from Table 3.14,
* - any "image unit format" from Table 3.21.
* - any generic "compressed internal format" from Table 3.14, if the
* implementation accepts it for any texture specification commands, and
* - unsized or base internal format, if the implementation accepts
* it for texture or image specification.
*/
GLint buffer[1];
/* At this point a internalformat is valid if it is valid as a texture or
* as a renderbuffer format. The checks are different because those methods
* return different values when passing non supported internalformats */
if (_mesa_base_tex_format(ctx, internalformat) < 0 &&
_mesa_base_fbo_format(ctx, internalformat) == 0)
return false;
/* Let the driver have the final word */
ctx->Driver.QueryInternalFormat(ctx, target, internalformat,
GL_INTERNALFORMAT_SUPPORTED, buffer);
return (buffer[0] == GL_TRUE);
}
/* default implementation of QueryInternalFormat driverfunc, for
* drivers not implementing ARB_internalformat_query2.
*/
void
_mesa_query_internal_format_default(struct gl_context *ctx, GLenum target,
GLenum internalFormat, GLenum pname,
GLint *params)
{
(void) ctx;
(void) target;
(void) internalFormat;
switch (pname) {
case GL_SAMPLES:
case GL_NUM_SAMPLE_COUNTS:
params[0] = 1;
break;
case GL_INTERNALFORMAT_SUPPORTED:
params[0] = GL_TRUE;
break;
case GL_INTERNALFORMAT_PREFERRED:
params[0] = internalFormat;
break;
default:
_set_default_response(pname, params);
break;
}
}
void GLAPIENTRY
_mesa_GetInternalformativ(GLenum target, GLenum internalformat, GLenum pname,
GLsizei bufSize, GLint *params)
{
GLint buffer[16];
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
/* ARB_internalformat_query is also mandatory for ARB_internalformat_query2 */
if (!(_mesa_has_ARB_internalformat_query(ctx) ||
_mesa_is_gles3(ctx))) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glGetInternalformativ");
return;
}
assert(ctx->Driver.QueryInternalFormat != NULL);
if (!_legal_parameters(ctx, target, internalformat, pname, bufSize, params))
return;
/* initialize the contents of the temporary buffer */
memcpy(buffer, params, MIN2(bufSize, 16) * sizeof(GLint));
/* Use the 'unsupported' response defined by the spec for every pname
* as the default answer.
*/
_set_default_response(pname, buffer);
if (!_is_target_supported(ctx, target) ||
!_is_internalformat_supported(ctx, target, internalformat) ||
!_is_resource_supported(ctx, target, internalformat, pname))
goto end;
switch (pname) {
case GL_SAMPLES:
/* fall-through */
case GL_NUM_SAMPLE_COUNTS:
/* The ARB_internalformat_query2 sets the response as 'unsupported' for
* SAMPLES and NUM_SAMPLE_COUNTS:
*
* "If <internalformat> is not color-renderable, depth-renderable, or
* stencil-renderable (as defined in section 4.4.4), or if <target>
* does not support multiple samples (ie other than
* TEXTURE_2D_MULTISAMPLE, TEXTURE_2D_MULTISAMPLE_ARRAY,
* or RENDERBUFFER)."
*/
if ((target != GL_RENDERBUFFER &&
target != GL_TEXTURE_2D_MULTISAMPLE &&
target != GL_TEXTURE_2D_MULTISAMPLE_ARRAY) ||
!_is_renderable(ctx, internalformat))
goto end;
/* The GL ES 3.0 specification, section 6.1.15 page 236 says:
*
* "Since multisampling is not supported for signed and unsigned
* integer internal formats, the value of NUM_SAMPLE_COUNTS will be
* zero for such formats.
*/
if (pname == GL_NUM_SAMPLE_COUNTS && ctx->API == API_OPENGLES2 &&
ctx->Version == 30 && _mesa_is_enum_format_integer(internalformat)) {
goto end;
}
ctx->Driver.QueryInternalFormat(ctx, target, internalformat, pname,
buffer);
break;
case GL_INTERNALFORMAT_SUPPORTED:
/* Having a supported <internalformat> is implemented as a prerequisite
* for all the <pnames>. Thus, if we reach this point, the internalformat is
* supported.
*/
buffer[0] = GL_TRUE;
break;
case GL_INTERNALFORMAT_PREFERRED:
/* The ARB_internalformat_query2 spec says:
*
* "- INTERNALFORMAT_PREFERRED: The implementation-preferred internal
* format for representing resources of the specified <internalformat> is
* returned in <params>.
*
* Therefore, we let the driver answer.
*/
ctx->Driver.QueryInternalFormat(ctx, target, internalformat, pname,
buffer);
break;
case GL_INTERNALFORMAT_RED_SIZE:
/* @TODO */
break;
case GL_INTERNALFORMAT_GREEN_SIZE:
/* @TODO */
break;
case GL_INTERNALFORMAT_BLUE_SIZE:
/* @TODO */
break;
case GL_INTERNALFORMAT_ALPHA_SIZE:
/* @TODO */
break;
case GL_INTERNALFORMAT_DEPTH_SIZE:
/* @TODO */
break;
case GL_INTERNALFORMAT_STENCIL_SIZE:
/* @TODO */
break;
case GL_INTERNALFORMAT_SHARED_SIZE:
/* @TODO */
break;
case GL_INTERNALFORMAT_RED_TYPE:
/* @TODO */
break;
case GL_INTERNALFORMAT_GREEN_TYPE:
/* @TODO */
break;
case GL_INTERNALFORMAT_BLUE_TYPE:
/* @TODO */
break;
case GL_INTERNALFORMAT_ALPHA_TYPE:
/* @TODO */
break;
case GL_INTERNALFORMAT_DEPTH_TYPE:
/* @TODO */
break;
case GL_INTERNALFORMAT_STENCIL_TYPE:
/* @TODO */
break;
case GL_MAX_WIDTH:
/* @TODO */
break;
case GL_MAX_HEIGHT:
/* @TODO */
break;
case GL_MAX_DEPTH:
/* @TODO */
break;
case GL_MAX_LAYERS:
/* @TODO */
break;
case GL_MAX_COMBINED_DIMENSIONS:
/* @TODO */
break;
case GL_COLOR_COMPONENTS:
/* @TODO */
break;
case GL_DEPTH_COMPONENTS:
/* @TODO */
break;
case GL_STENCIL_COMPONENTS:
/* @TODO */
break;
case GL_COLOR_RENDERABLE:
/* @TODO */
break;
case GL_DEPTH_RENDERABLE:
/* @TODO */
break;
case GL_STENCIL_RENDERABLE:
/* @TODO */
break;
case GL_FRAMEBUFFER_RENDERABLE:
/* @TODO */
break;
case GL_FRAMEBUFFER_RENDERABLE_LAYERED:
/* @TODO */
break;
case GL_FRAMEBUFFER_BLEND:
/* @TODO */
break;
case GL_READ_PIXELS:
/* @TODO */
break;
case GL_READ_PIXELS_FORMAT:
/* @TODO */
break;
case GL_READ_PIXELS_TYPE:
/* @TODO */
break;
case GL_TEXTURE_IMAGE_FORMAT:
/* @TODO */
break;
case GL_TEXTURE_IMAGE_TYPE:
/* @TODO */
break;
case GL_GET_TEXTURE_IMAGE_FORMAT:
/* @TODO */
break;
case GL_GET_TEXTURE_IMAGE_TYPE:
/* @TODO */
break;
case GL_MIPMAP:
/* @TODO */
break;
case GL_MANUAL_GENERATE_MIPMAP:
/* @TODO */
break;
case GL_AUTO_GENERATE_MIPMAP:
/* @TODO */
break;
case GL_COLOR_ENCODING:
/* @TODO */
break;
case GL_SRGB_READ:
/* @TODO */
break;
case GL_SRGB_WRITE:
/* @TODO */
break;
case GL_SRGB_DECODE_ARB:
/* @TODO */
break;
case GL_FILTER:
/* @TODO */
break;
case GL_VERTEX_TEXTURE:
/* @TODO */
break;
case GL_TESS_CONTROL_TEXTURE:
/* @TODO */
break;
case GL_TESS_EVALUATION_TEXTURE:
/* @TODO */
break;
case GL_GEOMETRY_TEXTURE:
/* @TODO */
break;
case GL_FRAGMENT_TEXTURE:
/* @TODO */
break;
case GL_COMPUTE_TEXTURE:
/* @TODO */
break;
case GL_TEXTURE_SHADOW:
/* @TODO */
break;
case GL_TEXTURE_GATHER:
/* @TODO */
break;
case GL_TEXTURE_GATHER_SHADOW:
/* @TODO */
break;
case GL_SHADER_IMAGE_LOAD:
/* @TODO */
break;
case GL_SHADER_IMAGE_STORE:
/* @TODO */
break;
case GL_SHADER_IMAGE_ATOMIC:
/* @TODO */
break;
case GL_IMAGE_TEXEL_SIZE:
/* @TODO */
break;
case GL_IMAGE_COMPATIBILITY_CLASS:
/* @TODO */
break;
case GL_IMAGE_PIXEL_FORMAT:
/* @TODO */
break;
case GL_IMAGE_PIXEL_TYPE:
/* @TODO */
break;
case GL_IMAGE_FORMAT_COMPATIBILITY_TYPE:
/* @TODO */
break;
case GL_SIMULTANEOUS_TEXTURE_AND_DEPTH_TEST:
/* @TODO */
break;
case GL_SIMULTANEOUS_TEXTURE_AND_STENCIL_TEST:
/* @TODO */
break;
case GL_SIMULTANEOUS_TEXTURE_AND_DEPTH_WRITE:
/* @TODO */
break;
case GL_SIMULTANEOUS_TEXTURE_AND_STENCIL_WRITE:
/* @TODO */
break;
case GL_TEXTURE_COMPRESSED:
/* @TODO */
break;
case GL_TEXTURE_COMPRESSED_BLOCK_WIDTH:
/* @TODO */
break;
case GL_TEXTURE_COMPRESSED_BLOCK_HEIGHT:
/* @TODO */
break;
case GL_TEXTURE_COMPRESSED_BLOCK_SIZE:
/* @TODO */
break;
case GL_CLEAR_BUFFER:
/* @TODO */
break;
case GL_TEXTURE_VIEW:
/* @TODO */
break;
case GL_VIEW_COMPATIBILITY_CLASS:
/* @TODO */
break;
default:
unreachable("bad param");
}
end:
if (bufSize != 0 && params == NULL) {
/* Emit a warning to aid application debugging, but go ahead and do the
* memcpy (and probably crash) anyway.
*/
_mesa_warning(ctx,
"glGetInternalformativ(bufSize = %d, but params = NULL)",
bufSize);
}
/* Copy the data from the temporary buffer to the buffer supplied by the
* application. Clamp the size of the copy to the size supplied by the
* application.
*/
memcpy(params, buffer, MIN2(bufSize, 16) * sizeof(GLint));
return;
}
void GLAPIENTRY
_mesa_GetInternalformati64v(GLenum target, GLenum internalformat,
GLenum pname, GLsizei bufSize, GLint64 *params)
{
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
if (!_mesa_has_ARB_internalformat_query2(ctx)) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glGetInternalformati64v");
return;
}
_mesa_debug(ctx, "glGetInternalformati64v() not implemented");
}
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