diff options
author | Maciej Cencora <m.cencora@gmail.com> | 2009-02-15 21:58:18 +0100 |
---|---|---|
committer | Nicolai Haehnle <nhaehnle@gmail.com> | 2009-03-06 22:19:44 +0100 |
commit | 0828bfaa4534615e29284c95df7435883dbeb735 (patch) | |
tree | 722f9513bc229fde8217f7800f222419cd0b081b /src/mesa | |
parent | 7ad7abc4cd5c94b83feea4553ffb5a69d8ad4757 (diff) |
r300: enable EXT_fog_coord extension
Remove fixed function fog setup.
Signed-off-by: Nicolai Haehnle <nhaehnle@gmail.com>
Diffstat (limited to 'src/mesa')
-rw-r--r-- | src/mesa/drivers/dri/r300/r300_context.c | 4 | ||||
-rw-r--r-- | src/mesa/drivers/dri/r300/r300_state.c | 177 |
2 files changed, 20 insertions, 161 deletions
diff --git a/src/mesa/drivers/dri/r300/r300_context.c b/src/mesa/drivers/dri/r300/r300_context.c index 4c14c7eefed..fddd87b85ff 100644 --- a/src/mesa/drivers/dri/r300/r300_context.c +++ b/src/mesa/drivers/dri/r300/r300_context.c @@ -83,7 +83,7 @@ int hw_tcl_on = 1; #define need_GL_EXT_blend_equation_separate #define need_GL_EXT_blend_func_separate #define need_GL_EXT_blend_minmax -//#define need_GL_EXT_fog_coord +#define need_GL_EXT_fog_coord #define need_GL_EXT_gpu_program_parameters #define need_GL_EXT_secondary_color #define need_GL_EXT_stencil_two_side @@ -111,7 +111,7 @@ const struct dri_extension card_extensions[] = { {"GL_EXT_blend_func_separate", GL_EXT_blend_func_separate_functions}, {"GL_EXT_blend_minmax", GL_EXT_blend_minmax_functions}, {"GL_EXT_blend_subtract", NULL}, -// {"GL_EXT_fog_coord", GL_EXT_fog_coord_functions }, + {"GL_EXT_fog_coord", GL_EXT_fog_coord_functions }, {"GL_EXT_gpu_program_parameters", GL_EXT_gpu_program_parameters_functions}, {"GL_EXT_secondary_color", GL_EXT_secondary_color_functions}, {"GL_EXT_shadow_funcs", NULL}, diff --git a/src/mesa/drivers/dri/r300/r300_state.c b/src/mesa/drivers/dri/r300/r300_state.c index 171a1549188..8361afafef3 100644 --- a/src/mesa/drivers/dri/r300/r300_state.c +++ b/src/mesa/drivers/dri/r300/r300_state.c @@ -730,134 +730,6 @@ static void r300ColorMask(GLcontext * ctx, } /* ============================================================= - * Fog - */ -static void r300Fogfv(GLcontext * ctx, GLenum pname, const GLfloat * param) -{ - r300ContextPtr r300 = R300_CONTEXT(ctx); - union { - int i; - float f; - } fogScale, fogStart; - - (void)param; - - fogScale.i = r300->hw.fogp.cmd[R300_FOGP_SCALE]; - fogStart.i = r300->hw.fogp.cmd[R300_FOGP_START]; - - switch (pname) { - case GL_FOG_MODE: - switch (ctx->Fog.Mode) { - case GL_LINEAR: - R300_STATECHANGE(r300, fogs); - r300->hw.fogs.cmd[R300_FOGS_STATE] = - (r300->hw.fogs. - cmd[R300_FOGS_STATE] & ~R300_FG_FOG_BLEND_FN_MASK) | - R300_FG_FOG_BLEND_FN_LINEAR; - - if (ctx->Fog.Start == ctx->Fog.End) { - fogScale.f = -1.0; - fogStart.f = 1.0; - } else { - fogScale.f = - 1.0 / (ctx->Fog.End - ctx->Fog.Start); - fogStart.f = - -ctx->Fog.Start / (ctx->Fog.End - - ctx->Fog.Start); - } - break; - case GL_EXP: - R300_STATECHANGE(r300, fogs); - r300->hw.fogs.cmd[R300_FOGS_STATE] = - (r300->hw.fogs. - cmd[R300_FOGS_STATE] & ~R300_FG_FOG_BLEND_FN_MASK) | - R300_FG_FOG_BLEND_FN_EXP; - fogScale.f = 0.0933 * ctx->Fog.Density; - fogStart.f = 0.0; - break; - case GL_EXP2: - R300_STATECHANGE(r300, fogs); - r300->hw.fogs.cmd[R300_FOGS_STATE] = - (r300->hw.fogs. - cmd[R300_FOGS_STATE] & ~R300_FG_FOG_BLEND_FN_MASK) | - R300_FG_FOG_BLEND_FN_EXP2; - fogScale.f = 0.3 * ctx->Fog.Density; - fogStart.f = 0.0; - break; - default: - return; - } - break; - case GL_FOG_DENSITY: - switch (ctx->Fog.Mode) { - case GL_EXP: - fogScale.f = 0.0933 * ctx->Fog.Density; - fogStart.f = 0.0; - break; - case GL_EXP2: - fogScale.f = 0.3 * ctx->Fog.Density; - fogStart.f = 0.0; - default: - break; - } - break; - case GL_FOG_START: - case GL_FOG_END: - if (ctx->Fog.Mode == GL_LINEAR) { - if (ctx->Fog.Start == ctx->Fog.End) { - fogScale.f = -1.0; - fogStart.f = 1.0; - } else { - fogScale.f = - 1.0 / (ctx->Fog.End - ctx->Fog.Start); - fogStart.f = - -ctx->Fog.Start / (ctx->Fog.End - - ctx->Fog.Start); - } - } - break; - case GL_FOG_COLOR: - R300_STATECHANGE(r300, fogc); - r300->hw.fogc.cmd[R300_FOGC_R] = - (GLuint) (ctx->Fog.Color[0] * 1023.0F) & 0x3FF; - r300->hw.fogc.cmd[R300_FOGC_G] = - (GLuint) (ctx->Fog.Color[1] * 1023.0F) & 0x3FF; - r300->hw.fogc.cmd[R300_FOGC_B] = - (GLuint) (ctx->Fog.Color[2] * 1023.0F) & 0x3FF; - break; - case GL_FOG_COORD_SRC: - break; - default: - return; - } - - if (fogScale.i != r300->hw.fogp.cmd[R300_FOGP_SCALE] || - fogStart.i != r300->hw.fogp.cmd[R300_FOGP_START]) { - R300_STATECHANGE(r300, fogp); - r300->hw.fogp.cmd[R300_FOGP_SCALE] = fogScale.i; - r300->hw.fogp.cmd[R300_FOGP_START] = fogStart.i; - } -} - -static void r300SetFogState(GLcontext * ctx, GLboolean state) -{ - r300ContextPtr r300 = R300_CONTEXT(ctx); - - R300_STATECHANGE(r300, fogs); - if (state) { - r300->hw.fogs.cmd[R300_FOGS_STATE] |= R300_FG_FOG_BLEND_ENABLE; - - r300Fogfv(ctx, GL_FOG_MODE, NULL); - r300Fogfv(ctx, GL_FOG_DENSITY, &ctx->Fog.Density); - r300Fogfv(ctx, GL_FOG_START, &ctx->Fog.Start); - r300Fogfv(ctx, GL_FOG_END, &ctx->Fog.End); - r300Fogfv(ctx, GL_FOG_COLOR, ctx->Fog.Color); - } else { - r300->hw.fogs.cmd[R300_FOGS_STATE] &= ~R300_FG_FOG_BLEND_ENABLE; - } -} - -/* ============================================================= * Point state */ static void r300PointSize(GLcontext * ctx, GLfloat size) @@ -2153,7 +2025,7 @@ static void r300Enable(GLcontext * ctx, GLenum cap, GLboolean state) /* empty */ break; case GL_FOG: - r300SetFogState(ctx, state); + /* empty */ break; case GL_ALPHA_TEST: r300SetAlphaState(ctx); @@ -2307,11 +2179,9 @@ static void r300ResetHwState(r300ContextPtr r300) break; } - /* XXX: set to 0 when fog is disabled? */ - r300->hw.gb_misc.cmd[R300_GB_MISC_SELECT] = R300_GB_FOG_SELECT_1_1_W; - /* XXX: Enable anti-aliasing? */ r300->hw.gb_misc.cmd[R300_GB_MISC_AA_CONFIG] = GB_AA_CONFIG_AA_DISABLE; + r300->hw.gb_misc.cmd[R300_GB_MISC_SELECT] = 0; r300->hw.ga_point_s0.cmd[1] = r300PackFloat32(0.0); r300->hw.ga_point_s0.cmd[2] = r300PackFloat32(0.0); @@ -2360,17 +2230,11 @@ static void r300ResetHwState(r300ContextPtr r300) R500_C0_SEL_B | R500_C1_SEL_G | R500_C2_SEL_R | R500_C3_SEL_A; r300->hw.us_out_fmt.cmd[4] = R500_OUT_FMT_UNUSED | R500_C0_SEL_B | R500_C1_SEL_G | R500_C2_SEL_R | R500_C3_SEL_A; - r300->hw.us_out_fmt.cmd[5] = R300_W_FMT_W24; + r300->hw.us_out_fmt.cmd[5] = R300_W_FMT_W0 | R300_W_SRC_US; - r300Enable(ctx, GL_FOG, ctx->Fog.Enabled); - r300Fogfv(ctx, GL_FOG_MODE, NULL); - r300Fogfv(ctx, GL_FOG_DENSITY, &ctx->Fog.Density); - r300Fogfv(ctx, GL_FOG_START, &ctx->Fog.Start); - r300Fogfv(ctx, GL_FOG_END, &ctx->Fog.End); - r300Fogfv(ctx, GL_FOG_COLOR, ctx->Fog.Color); - r300Fogfv(ctx, GL_FOG_COORDINATE_SOURCE_EXT, NULL); - - r300->hw.fg_depth_src.cmd[1] = 0; + /* disable fog unit */ + r300->hw.fogs.cmd[R300_FOGS_STATE] = 0; + r300->hw.fg_depth_src.cmd[1] = R300_FG_DEPTH_SRC_SHADER; r300->hw.rb3d_cctl.cmd[1] = 0; @@ -2625,16 +2489,6 @@ static void r500SetupPixelShader(r300ContextPtr rmesa) } code = &fp->code; - if (fp->mesa_program.FogOption != GL_NONE) { - /* Enable HW fog. Try not to squish GL context. - * (Anybody sane remembered to set glFog() opts first!) */ - r300SetFogState(ctx, GL_TRUE); - ctx->Fog.Mode = fp->mesa_program.FogOption; - r300Fogfv(ctx, GL_FOG_MODE, NULL); - } else - /* Make sure HW is matching GL context. */ - r300SetFogState(ctx, ctx->Fog.Enabled); - r300SetupTextures(ctx); R300_STATECHANGE(rmesa, fp); @@ -2683,12 +2537,18 @@ void r300UpdateShaderStates(r300ContextPtr rmesa) r300UpdateTextureState(ctx); r300SetEarlyZState(ctx); - GLuint fgdepthsrc = R300_FG_DEPTH_SRC_SCAN; - if (current_fragment_program_writes_depth(ctx)) - fgdepthsrc = R300_FG_DEPTH_SRC_SHADER; - if (fgdepthsrc != rmesa->hw.fg_depth_src.cmd[1]) { - R300_STATECHANGE(rmesa, fg_depth_src); - rmesa->hw.fg_depth_src.cmd[1] = fgdepthsrc; + /* w_fmt value is set to get best performance + * see p.130 R5xx 3D acceleration guide v1.3 */ + GLuint w_fmt; + if (current_fragment_program_writes_depth(ctx)) { + w_fmt = R300_W_FMT_W24 | R300_W_SRC_US; + } else { + w_fmt = R300_W_FMT_W0 | R300_W_SRC_US; + } + + if (w_fmt != rmesa->hw.us_out_fmt.cmd[5]) { + R300_STATECHANGE(rmesa, us_out_fmt); + rmesa->hw.us_out_fmt.cmd[5] = w_fmt; } if (rmesa->radeon.radeonScreen->chip_family >= CHIP_FAMILY_RV515) @@ -2806,7 +2666,6 @@ void r300InitStateFuncs(struct dd_function_table *functions) functions->DepthFunc = r300DepthFunc; functions->DepthMask = r300DepthMask; functions->CullFace = r300CullFace; - functions->Fogfv = r300Fogfv; functions->FrontFace = r300FrontFace; functions->ShadeModel = r300ShadeModel; functions->LogicOpcode = r300LogicOpcode; |