From c62e02000d11e29e70a1000d32cb08d9a450485f Mon Sep 17 00:00:00 2001 From: Dave Airlie Date: Thu, 5 Jan 2012 14:35:54 +0000 Subject: [PATCH] st_extensions: fixup GLSL 1.30 related enables (v3) This just fixes up the enables for native integers and EXT_texture_integer support in st/mesa. It also set the MaxClipPlanes to 8. We should consider exposing caps for MCP vs MCD, but since core mesa doesn't care yet maybe we can wait for now. v2: use 32-bit formats as per Marek's mail. v3: add calim's fix for INT_DIV_TO_MUL_RCP disabling. Signed-off-by: Dave Airlie --- src/mesa/state_tracker/st_extensions.c | 31 ++++++++++++++++++++++++------ src/mesa/state_tracker/st_glsl_to_tgsi.cpp | 11 ++++++++--- 2 files changed, 33 insertions(+), 9 deletions(-) diff --git a/src/mesa/state_tracker/st_extensions.c b/src/mesa/state_tracker/st_extensions.c index a9d40543638..49c874710bd 100644 --- a/src/mesa/state_tracker/st_extensions.c +++ b/src/mesa/state_tracker/st_extensions.c @@ -263,12 +263,6 @@ void st_init_extensions(struct st_context *st) ctx->Const.GLSLVersion = 120; _mesa_override_glsl_version(st->ctx); - /* Extensions that only depend on the GLSL version: - */ - if (ctx->Const.GLSLVersion >= 130) { - ctx->Extensions.ARB_conservative_depth = GL_TRUE; - } - /* * Extensions that are supported by all Gallium drivers: */ @@ -587,6 +581,23 @@ void st_init_extensions(struct st_context *st) #endif } + if (screen->get_shader_param(screen, PIPE_SHADER_VERTEX, + PIPE_SHADER_CAP_INTEGERS) && + screen->get_shader_param(screen, PIPE_SHADER_FRAGMENT, + PIPE_SHADER_CAP_INTEGERS)) { + ctx->Const.NativeIntegers = GL_TRUE; + } + + if (ctx->Const.NativeIntegers) + ctx->Const.GLSLVersion = 130; + + /* Extensions that only depend on the GLSL version: + */ + if (ctx->Const.GLSLVersion >= 130) { + ctx->Extensions.ARB_conservative_depth = GL_TRUE; + ctx->Const.MaxClipPlanes = 8; + } + ctx->Extensions.NV_primitive_restart = GL_TRUE; if (!screen->get_param(screen, PIPE_CAP_PRIMITIVE_RESTART)) { st->sw_primitive_restart = GL_TRUE; @@ -703,4 +714,12 @@ void st_init_extensions(struct st_context *st) ctx->Extensions.ARB_transform_feedback2 = GL_TRUE; } } + + if (ctx->Const.NativeIntegers && + screen->is_format_supported(screen, PIPE_FORMAT_R32G32B32A32_UINT, PIPE_TEXTURE_2D, 0, + PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET) && + screen->is_format_supported(screen, PIPE_FORMAT_R32G32B32A32_SINT, PIPE_TEXTURE_2D, 0, + PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET)) + ctx->Extensions.EXT_texture_integer = GL_TRUE; + } diff --git a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp index e450d130eb1..cb44e2b95b3 100644 --- a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp +++ b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp @@ -5010,13 +5010,18 @@ st_link_shader(struct gl_context *ctx, struct gl_shader_program *prog) num_clip_distances[i] = get_clip_distance_size(ir); do { + unsigned what_to_lower = MOD_TO_FRACT | DIV_TO_MUL_RCP | + EXP_TO_EXP2 | LOG_TO_LOG2; + if (options->EmitNoPow) + what_to_lower |= POW_TO_EXP2; + if (!ctx->Const.NativeIntegers) + what_to_lower |= INT_DIV_TO_MUL_RCP; + progress = false; /* Lowering */ do_mat_op_to_vec(ir); - lower_instructions(ir, (MOD_TO_FRACT | DIV_TO_MUL_RCP | EXP_TO_EXP2 - | LOG_TO_LOG2 | INT_DIV_TO_MUL_RCP - | ((options->EmitNoPow) ? POW_TO_EXP2 : 0))); + lower_instructions(ir, what_to_lower); progress = do_lower_jumps(ir, true, true, options->EmitNoMainReturn, options->EmitNoCont, options->EmitNoLoops) || progress; -- 2.11.0