diff options
| -rw-r--r-- | src/mesa/drivers/dri/r300/r300_cmdbuf.c | 2 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/r300/r300_context.h | 1 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/r300/r300_reg.h | 4 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/r300/r300_render.c | 2 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/r300/r300_state.c | 44 |
5 files changed, 49 insertions, 4 deletions
diff --git a/src/mesa/drivers/dri/r300/r300_cmdbuf.c b/src/mesa/drivers/dri/r300/r300_cmdbuf.c index 4dc3161449..c069660eea 100644 --- a/src/mesa/drivers/dri/r300/r300_cmdbuf.c +++ b/src/mesa/drivers/dri/r300/r300_cmdbuf.c @@ -477,6 +477,8 @@ void r300InitCmdBuf(r300ContextPtr r300) ALLOC_STATE(blend_color, always, 2, 0); r300->hw.blend_color.cmd[0] = cmdpacket0(R300_RB3D_BLEND_COLOR, 1); } + ALLOC_STATE(rop, always, 2, 0); + r300->hw.rop.cmd[0] = cmdpacket0(R300_RB3D_ROPCNTL, 1); ALLOC_STATE(cb, always, R300_CB_CMDSIZE, 0); r300->hw.cb.cmd[R300_CB_CMD_0] = cmdpacket0(R300_RB3D_COLOROFFSET0, 1); r300->hw.cb.cmd[R300_CB_CMD_1] = cmdpacket0(R300_RB3D_COLORPITCH0, 1); diff --git a/src/mesa/drivers/dri/r300/r300_context.h b/src/mesa/drivers/dri/r300/r300_context.h index 98af6d8f10..d2017f8afe 100644 --- a/src/mesa/drivers/dri/r300/r300_context.h +++ b/src/mesa/drivers/dri/r300/r300_context.h @@ -516,6 +516,7 @@ struct r300_hw_state { struct r300_state_atom bld; /* blending (4E04) */ struct r300_state_atom cmk; /* colormask (4E0C) */ struct r300_state_atom blend_color; /* constant blend color */ + struct r300_state_atom rop; /* ropcntl */ struct r300_state_atom cb; /* colorbuffer (4E28) */ struct r300_state_atom rb3d_dither_ctl; /* (4E50) */ struct r300_state_atom rb3d_aaresolve_ctl; /* (4E88) */ diff --git a/src/mesa/drivers/dri/r300/r300_reg.h b/src/mesa/drivers/dri/r300/r300_reg.h index ec2b58377c..562cd6afdb 100644 --- a/src/mesa/drivers/dri/r300/r300_reg.h +++ b/src/mesa/drivers/dri/r300/r300_reg.h @@ -2249,7 +2249,9 @@ USE OR OTHER DEALINGS IN THE SOFTWARE. /* 3D ROP Control. Stalls the 2d/3d datapath until it is idle. */ #define R300_RB3D_ROPCNTL 0x4e18 -/* TODO: fill in content here */ +# define R300_RB3D_ROPCNTL_ROP_ENABLE 0x00000004 +# define R300_RB3D_ROPCNTL_ROP_MASK (15 << 8) +# define R300_RB3D_ROPCNTL_ROP_SHIFT 8 /* Color Compare Flip. Stalls the 2d/3d datapath until it is idle. */ #define R300_RB3D_CLRCMP_FLIPE 0x4e1c diff --git a/src/mesa/drivers/dri/r300/r300_render.c b/src/mesa/drivers/dri/r300/r300_render.c index 58bc088443..0a199e6faa 100644 --- a/src/mesa/drivers/dri/r300/r300_render.c +++ b/src/mesa/drivers/dri/r300/r300_render.c @@ -377,8 +377,6 @@ static int r300Fallback(GLcontext * ctx) || ctx->Stencil.WriteMask[0] != ctx->Stencil.WriteMask[1])); - FALLBACK_IF(ctx->Color.ColorLogicOpEnabled); - if (ctx->Extensions.NV_point_sprite || ctx->Extensions.ARB_point_sprite) FALLBACK_IF(ctx->Point.PointSprite); diff --git a/src/mesa/drivers/dri/r300/r300_state.c b/src/mesa/drivers/dri/r300/r300_state.c index 6931de4421..ec17974d78 100644 --- a/src/mesa/drivers/dri/r300/r300_state.c +++ b/src/mesa/drivers/dri/r300/r300_state.c @@ -321,6 +321,44 @@ static void r300BlendFuncSeparate(GLcontext * ctx, r300SetBlendState(ctx); } +/** + * Translate LogicOp enums into hardware representation. + * Both use a very logical bit-wise layout, but unfortunately the order + * of bits is reversed. + */ +static GLuint translate_logicop(GLenum logicop) +{ + GLuint bits = logicop - GL_CLEAR; + bits = ((bits & 1) << 3) | ((bits & 2) << 1) | ((bits & 4) >> 1) | ((bits & 8) >> 3); + return bits << R300_RB3D_ROPCNTL_ROP_SHIFT; +} + +/** + * Used internally to update the r300->hw hardware state to match the + * current OpenGL state. + */ +static void r300SetLogicOpState(GLcontext *ctx) +{ + r300ContextPtr r300 = R300_CONTEXT(ctx); + R300_STATECHANGE(r300, rop); + if (RGBA_LOGICOP_ENABLED(ctx)) { + r300->hw.rop.cmd[1] = R300_RB3D_ROPCNTL_ROP_ENABLE | + translate_logicop(ctx->Color.LogicOp); + } else { + r300->hw.rop.cmd[1] = 0; + } +} + +/** + * Called by Mesa when an application program changes the LogicOp state + * via glLogicOp. + */ +static void r300LogicOpcode(GLcontext *ctx, GLenum logicop) +{ + if (RGBA_LOGICOP_ENABLED(ctx)) + r300SetLogicOpState(ctx); +} + static void r300ClipPlane( GLcontext *ctx, GLenum plane, const GLfloat *eq ) { r300ContextPtr rmesa = R300_CONTEXT(ctx); @@ -2117,8 +2155,10 @@ static void r300Enable(GLcontext * ctx, GLenum cap, GLboolean state) case GL_ALPHA_TEST: r300SetAlphaState(ctx); break; - case GL_BLEND: case GL_COLOR_LOGIC_OP: + r300SetLogicOpState(ctx); + /* fall-through, because logic op overrides blending */ + case GL_BLEND: r300SetBlendState(ctx); break; case GL_CLIP_PLANE0: @@ -2188,6 +2228,7 @@ static void r300ResetHwState(r300ContextPtr r300) r300UpdateTextureState(ctx); r300SetBlendState(ctx); + r300SetLogicOpState(ctx); r300AlphaFunc(ctx, ctx->Color.AlphaFunc, ctx->Color.AlphaRef); r300Enable(ctx, GL_ALPHA_TEST, ctx->Color.AlphaEnabled); @@ -2755,6 +2796,7 @@ void r300InitStateFuncs(struct dd_function_table *functions) functions->Fogfv = r300Fogfv; functions->FrontFace = r300FrontFace; functions->ShadeModel = r300ShadeModel; + functions->LogicOpcode = r300LogicOpcode; /* ARB_point_parameters */ functions->PointParameterfv = r300PointParameter; |