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gallium: add CAPs for indirect addressing and lower it in st/mesa when needed

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Required because ATI and NVIDIA DX9 GPUs do not support indirect addressing
of temps, inputs, outputs, and consts (FS-only) or the hw support is so
limited that we cannot use it.

This should make r300g and possibly nvfx more feature complete.

Signed-off-by: Marek Olšák <maraeo@gmail.com>
This commit is contained in:
Marek Olšák
2010-11-10 20:41:55 +01:00
parent d18df9e336
commit cbfdf262cc
2 changed files with 14 additions and 0 deletions
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5
src/gallium/include/pipe/p_defines.h
View File

@@ -483,7 +483,12 @@ enum pipe_shader_cap
PIPE_SHADER_CAP_MAX_TEMPS, PIPE_SHADER_CAP_MAX_TEMPS,
PIPE_SHADER_CAP_MAX_ADDRS, PIPE_SHADER_CAP_MAX_ADDRS,
PIPE_SHADER_CAP_MAX_PREDS, PIPE_SHADER_CAP_MAX_PREDS,
/* boolean caps */
PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED, PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED,
PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR,
PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR,
PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR,
PIPE_SHADER_CAP_INDIRECT_CONST_ADDR,
}; };
/** /**

9
src/mesa/state_tracker/st_extensions.c
View File

@@ -175,6 +175,15 @@ void st_init_limits(struct st_context *st)
options->EmitNoCont = !screen->get_shader_param(screen, i, PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED); options->EmitNoCont = !screen->get_shader_param(screen, i, PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED);
options->EmitNoIndirectInput = !screen->get_shader_param(screen, i,
PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR);
options->EmitNoIndirectOutput = !screen->get_shader_param(screen, i,
PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR);
options->EmitNoIndirectTemp = !screen->get_shader_param(screen, i,
PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR);
options->EmitNoIndirectUniform = !screen->get_shader_param(screen, i,
PIPE_SHADER_CAP_INDIRECT_CONST_ADDR);
if(options->EmitNoLoops) if(options->EmitNoLoops)
options->MaxUnrollIterations = MIN2(screen->get_shader_param(screen, i, PIPE_SHADER_CAP_MAX_INSTRUCTIONS), 65536); options->MaxUnrollIterations = MIN2(screen->get_shader_param(screen, i, PIPE_SHADER_CAP_MAX_INSTRUCTIONS), 65536);
} }