#include "context.h"
#include "glformats.h"
#include "macros.h"
-#include "mfeatures.h"
#include "enums.h"
#include "fbobject.h"
#include "formatquery.h"
+#include "teximage.h"
-void GLAPIENTRY
-_mesa_GetInternalformativ(GLenum target, GLenum internalformat, GLenum pname,
- GLsizei bufSize, GLint *params)
+static bool
+_is_renderable(struct gl_context *ctx, GLenum internalformat)
{
- GLint buffer[16];
- GLsizei count = 0;
- GET_CURRENT_CONTEXT(ctx);
+ /* 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;
- ASSERT_OUTSIDE_BEGIN_END(ctx);
+ return true;
+}
- if (!ctx->Extensions.ARB_internalformat_query) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glGetInternalformativ");
- return;
- }
+/* 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)
- assert(ctx->Driver.QuerySamplesForFormat != NULL);
+{
+ bool query2 = _mesa_has_ARB_internalformat_query2(ctx);
- /* The ARB_internalformat_query spec says:
+ /* The ARB_internalformat_query2 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."
+ * "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) {
+ 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:
- /* Mesa does not currently support GL_ARB_texture_multisample, so these
- * enums are not valid on this implementation either.
+ /* 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_lookup_enum_by_nr(target));
- return;
+ _mesa_enum_to_string(target));
+ return false;
}
- /* The ARB_internalformat_query spec says:
+
+ /* The ARB_internalformat_query2 spec says:
*
- * "If the <internalformat> parameter to GetInternalformativ is not
- * color-, depth- or stencil-renderable, then an INVALID_ENUM error is
- * generated."
+ * "The INVALID_ENUM error is generated if the <pname> parameter is
+ * not one of the listed possibilities.
*/
- if (_mesa_base_fbo_format(ctx, internalformat) == 0) {
+ 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(internalformat=%s)",
- _mesa_lookup_enum_by_nr(internalformat));
- return;
+ "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_lookup_enum_by_nr(target));
- return;
+ _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:
- count = ctx->Driver.QuerySamplesForFormat(ctx, internalformat, buffer);
+ 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;
- case GL_NUM_SAMPLE_COUNTS: {
- /* The driver can return 0, and we should pass that along to the
- * application. The ARB decided that ARB_internalformat_query should
- * behave as ARB_internalformat_query2 in this situation.
+
+ 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:
*
- * The ARB_internalformat_query2 spec says:
+ * "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:
*
- * "- NUM_SAMPLE_COUNTS: The number of sample counts that would be
- * returned by querying SAMPLES is returned in <params>.
- * * 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), 0 is
- * returned."
+ * "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.
*/
- const size_t num_samples =
- ctx->Driver.QuerySamplesForFormat(ctx, internalformat, buffer);
+ buffer[0] = GL_TRUE;
+ break;
- /* QuerySamplesForFormat writes some stuff to buffer, so we have to
- * separately over-write it with the requested value.
+ 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.
*/
- buffer[0] = (GLint) num_samples;
- count = 1;
+ 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:
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glGetInternalformativ(pname=%s)",
- _mesa_lookup_enum_by_nr(pname));
- return;
+ 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.
* application. Clamp the size of the copy to the size supplied by the
* application.
*/
- memcpy(params, buffer, MIN2(count, bufSize) * sizeof(GLint));
+ 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");
+}
projects / mesa.git / blobdiff