diff options
Diffstat (limited to 'src/gallium/docs/source')
| -rw-r--r-- | src/gallium/docs/source/tgsi.rst | 35 |
1 files changed, 19 insertions, 16 deletions
diff --git a/src/gallium/docs/source/tgsi.rst b/src/gallium/docs/source/tgsi.rst index de27d8a0050..86c09046f7f 100644 --- a/src/gallium/docs/source/tgsi.rst +++ b/src/gallium/docs/source/tgsi.rst @@ -6,8 +6,11 @@ for describing shaders. Since Gallium is inherently shaderful, shaders are an important part of the API. TGSI is the only intermediate representation used by all drivers. +Instruction Set +--------------- + From GL_NV_vertex_program -------------------------- +^^^^^^^^^^^^^^^^^^^^^^^^^ ARL - Address Register Load @@ -633,8 +636,8 @@ X2D - 2D Coordinate Transformation Considered for removal. -GL_NV_vertex_program2 --------------------------- +From GL_NV_vertex_program2 +^^^^^^^^^^^^^^^^^^^^^^^^^^ ARA - Address Register Add @@ -850,8 +853,8 @@ POPA - Pop Address Register From Stack Considered for cleanup / removal. -GL_NV_gpu_program4 ------------------------- +From GL_NV_gpu_program4 +^^^^^^^^^^^^^^^^^^^^^^^^ Support for these opcodes indicated by a special pipe capability bit (TBD). @@ -1015,8 +1018,8 @@ CONT - Continue TBD -GL_NV_geometry_program4 ------------------------------ +From GL_NV_geometry_program4 +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ EMIT - Emit @@ -1029,8 +1032,8 @@ ENDPRIM - End Primitive TBD -GLSL ----------- +From GLSL +^^^^^^^^^^ BGNLOOP - Begin a Loop @@ -1072,7 +1075,7 @@ NRM4 - 4-component Vector Normalise ps_2_x ------------- +^^^^^^^^^^^^ CALLNZ - Subroutine Call If Not Zero @@ -1091,11 +1094,11 @@ BREAKC - Break Conditional Explanation of symbols used -============================== +------------------------------ Functions --------------- +^^^^^^^^^^^^^^ :math:`|x|` Absolute value of `x`. @@ -1131,7 +1134,7 @@ Functions Keywords -------------- +^^^^^^^^^^^^^ discard Discard fragment. @@ -1154,11 +1157,11 @@ Keywords Other tokens -=============== +--------------- Declaration Semantic -------------------------- +^^^^^^^^^^^^^^^^^^^^^^^^ Follows Declaration token if Semantic bit is set. @@ -1179,7 +1182,7 @@ Declaration Semantic FACE -^^^^ +"""" Valid only in a fragment shader INPUT declaration. |