[Mesa-dev] [PATCH 1/6] mesa: GetTexLevelParameter{if}v changes for OpenGL ES 3.1
Tapani Pälli
tapani.palli at intel.com
Fri Aug 21 00:22:05 PDT 2015
Patch refactors existing parameters check to first check common enums
between desktop GL and GLES 3.1 and modifies get_tex_level_parameter_image
to be compatible with enums specified in 3.1.
Signed-off-by: Tapani Pälli <tapani.palli at intel.com>
---
src/mesa/main/texparam.c | 34 +++++++++++++++++++++++-----------
1 file changed, 23 insertions(+), 11 deletions(-)
diff --git a/src/mesa/main/texparam.c b/src/mesa/main/texparam.c
index 16739f1..947a2a1 100644
--- a/src/mesa/main/texparam.c
+++ b/src/mesa/main/texparam.c
@@ -1208,20 +1208,34 @@ static GLboolean
legal_get_tex_level_parameter_target(struct gl_context *ctx, GLenum target,
bool dsa)
{
+ /* Common targets for desktop GL and GLES 3.1. */
switch (target) {
- case GL_TEXTURE_1D:
- case GL_PROXY_TEXTURE_1D:
case GL_TEXTURE_2D:
- case GL_PROXY_TEXTURE_2D:
case GL_TEXTURE_3D:
- case GL_PROXY_TEXTURE_3D:
return GL_TRUE;
+ case GL_TEXTURE_2D_ARRAY_EXT:
+ return (_mesa_is_gles31(ctx) || ctx->Extensions.EXT_texture_array);
case GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB:
case GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB:
case GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB:
case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB:
case GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB:
case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB:
+ return (_mesa_is_gles31(ctx) || ctx->Extensions.ARB_texture_cube_map);
+ case GL_TEXTURE_2D_MULTISAMPLE:
+ return (_mesa_is_gles31(ctx) || ctx->Extensions.ARB_texture_multisample);
+ }
+
+ if (!_mesa_is_desktop_gl(ctx))
+ return GL_FALSE;
+
+ /* Rest of the desktop GL targets. */
+ switch (target) {
+ case GL_TEXTURE_1D:
+ case GL_PROXY_TEXTURE_1D:
+ case GL_PROXY_TEXTURE_2D:
+ case GL_PROXY_TEXTURE_3D:
+ return GL_TRUE;
case GL_PROXY_TEXTURE_CUBE_MAP_ARB:
return ctx->Extensions.ARB_texture_cube_map;
case GL_TEXTURE_CUBE_MAP_ARRAY_ARB:
@@ -1232,7 +1246,6 @@ legal_get_tex_level_parameter_target(struct gl_context *ctx, GLenum target,
return ctx->Extensions.NV_texture_rectangle;
case GL_TEXTURE_1D_ARRAY_EXT:
case GL_PROXY_TEXTURE_1D_ARRAY_EXT:
- case GL_TEXTURE_2D_ARRAY_EXT:
case GL_PROXY_TEXTURE_2D_ARRAY_EXT:
return ctx->Extensions.EXT_texture_array;
case GL_TEXTURE_BUFFER:
@@ -1254,7 +1267,6 @@ legal_get_tex_level_parameter_target(struct gl_context *ctx, GLenum target,
* "target may also be TEXTURE_BUFFER, indicating the texture buffer."
*/
return ctx->API == API_OPENGL_CORE && ctx->Version >= 31;
- case GL_TEXTURE_2D_MULTISAMPLE:
case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
case GL_PROXY_TEXTURE_2D_MULTISAMPLE:
case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY:
@@ -1381,8 +1393,8 @@ get_tex_level_parameter_image(struct gl_context *ctx,
*params = _mesa_get_format_bits(texFormat, pname);
break;
case GL_TEXTURE_SHARED_SIZE:
- if (ctx->Version < 30 &&
- !ctx->Extensions.EXT_texture_shared_exponent)
+ if (!_mesa_is_gles31(ctx) && (ctx->Version < 30 &&
+ !ctx->Extensions.EXT_texture_shared_exponent))
goto invalid_pname;
*params = texFormat == MESA_FORMAT_R9G9B9E5_FLOAT ? 5 : 0;
break;
@@ -1415,7 +1427,7 @@ get_tex_level_parameter_image(struct gl_context *ctx,
case GL_TEXTURE_BLUE_TYPE_ARB:
case GL_TEXTURE_ALPHA_TYPE_ARB:
case GL_TEXTURE_DEPTH_TYPE_ARB:
- if (!ctx->Extensions.ARB_texture_float)
+ if (!_mesa_is_gles31(ctx) && !ctx->Extensions.ARB_texture_float)
goto invalid_pname;
if (_mesa_base_format_has_channel(img->_BaseFormat, pname))
*params = _mesa_get_format_datatype(texFormat);
@@ -1425,13 +1437,13 @@ get_tex_level_parameter_image(struct gl_context *ctx,
/* GL_ARB_texture_multisample */
case GL_TEXTURE_SAMPLES:
- if (!ctx->Extensions.ARB_texture_multisample)
+ if (!_mesa_is_gles31(ctx) && !ctx->Extensions.ARB_texture_multisample)
goto invalid_pname;
*params = img->NumSamples;
break;
case GL_TEXTURE_FIXED_SAMPLE_LOCATIONS:
- if (!ctx->Extensions.ARB_texture_multisample)
+ if (!_mesa_is_gles31(ctx) && !ctx->Extensions.ARB_texture_multisample)
goto invalid_pname;
*params = img->FixedSampleLocations;
break;
--
2.4.3
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