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| author | Mátyás Mustoha <matyas.mustoha@h-lab.eu> | 2019-11-25 11:09:24 +0100 |
|---|---|---|
| committer | Mátyás Mustoha <matyas.mustoha@h-lab.eu> | 2020-01-09 11:17:50 +0100 |
| commit | da94f8d0e78546a40972596ad0ae4ded510057de (patch) | |
| tree | 29aaf930791c3403654ceb19f21906cd24bb5467 /components/canvas/webgl_limits.rs | |
| parent | f8c957dc1b712dd24e65d84fbfaed14b6cfcecdc (diff) | |
| download | servo-da94f8d0e78546a40972596ad0ae4ded510057de.tar.gz servo-da94f8d0e78546a40972596ad0ae4ded510057de.zip | |
Add initial support for WebGL2 uniform buffer functions
Adds initial support for the following WebGL2 calls:
- bindBufferBase
- bindBufferRange
- getUniformIndices
- getUniformBlockIndex
- getActiveUniforms
- getActiveUniformBlockParameter
- getActiveUniformBlockName
- uniformBlockBinding
See: https://www.khronos.org/registry/webgl/specs/latest/2.0/#3.7.16
Diffstat (limited to 'components/canvas/webgl_limits.rs')
| -rw-r--r-- | components/canvas/webgl_limits.rs | 40 |
1 files changed, 39 insertions, 1 deletions
diff --git a/components/canvas/webgl_limits.rs b/components/canvas/webgl_limits.rs index d910be71d99..1a08dfea945 100644 --- a/components/canvas/webgl_limits.rs +++ b/components/canvas/webgl_limits.rs @@ -65,14 +65,24 @@ impl GLLimitsDetect for GLLimits { }; let ( + max_uniform_block_size, max_uniform_buffer_bindings, min_program_texel_offset, max_program_texel_offset, max_transform_feedback_separate_attribs, max_draw_buffers, max_color_attachments, + max_combined_uniform_blocks, + max_combined_vertex_uniform_components, + max_combined_fragment_uniform_components, + max_vertex_uniform_blocks, + max_vertex_uniform_components, + max_fragment_uniform_blocks, + max_fragment_uniform_components, + uniform_buffer_offset_alignment, ); if webgl_version == WebGLVersion::WebGL2 { + max_uniform_block_size = gl.get_integer(gl::MAX_UNIFORM_BLOCK_SIZE); max_uniform_buffer_bindings = gl.get_integer(gl::MAX_UNIFORM_BUFFER_BINDINGS); min_program_texel_offset = gl.get_integer(gl::MIN_PROGRAM_TEXEL_OFFSET); max_program_texel_offset = gl.get_integer(gl::MAX_PROGRAM_TEXEL_OFFSET); @@ -81,14 +91,33 @@ impl GLLimitsDetect for GLLimits { max_color_attachments = gl.get_integer(gl::MAX_COLOR_ATTACHMENTS); max_draw_buffers = gl .get_integer(gl::MAX_DRAW_BUFFERS) - .min(max_color_attachments) + .min(max_color_attachments); + max_combined_uniform_blocks = gl.get_integer(gl::MAX_COMBINED_UNIFORM_BLOCKS); + max_combined_vertex_uniform_components = + gl.get_integer(gl::MAX_COMBINED_VERTEX_UNIFORM_COMPONENTS); + max_combined_fragment_uniform_components = + gl.get_integer(gl::MAX_COMBINED_FRAGMENT_UNIFORM_COMPONENTS); + max_vertex_uniform_blocks = gl.get_integer(gl::MAX_VERTEX_UNIFORM_BLOCKS); + max_vertex_uniform_components = gl.get_integer(gl::MAX_VERTEX_UNIFORM_COMPONENTS); + max_fragment_uniform_blocks = gl.get_integer(gl::MAX_FRAGMENT_UNIFORM_BLOCKS); + max_fragment_uniform_components = gl.get_integer(gl::MAX_FRAGMENT_UNIFORM_COMPONENTS); + uniform_buffer_offset_alignment = gl.get_integer(gl::UNIFORM_BUFFER_OFFSET_ALIGNMENT); } else { + max_uniform_block_size = 0; max_uniform_buffer_bindings = 0; min_program_texel_offset = 0; max_program_texel_offset = 0; max_transform_feedback_separate_attribs = 0; max_color_attachments = 1; max_draw_buffers = 1; + max_combined_uniform_blocks = 0; + max_combined_vertex_uniform_components = 0; + max_combined_fragment_uniform_components = 0; + max_vertex_uniform_blocks = 0; + max_vertex_uniform_components = 0; + max_fragment_uniform_blocks = 0; + max_fragment_uniform_components = 0; + uniform_buffer_offset_alignment = 0; } GLLimits { @@ -111,6 +140,15 @@ impl GLLimitsDetect for GLLimits { max_program_texel_offset, max_color_attachments, max_draw_buffers, + max_uniform_block_size, + max_combined_uniform_blocks, + max_combined_vertex_uniform_components, + max_combined_fragment_uniform_components, + max_vertex_uniform_blocks, + max_vertex_uniform_components, + max_fragment_uniform_blocks, + max_fragment_uniform_components, + uniform_buffer_offset_alignment, } } } |