Module: Mesa Branch: master Commit: 549b8e6f1a372b6cce4a9013854b3c97ba95af2b URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=549b8e6f1a372b6cce4a9013854b3c97ba95af2b
Author: Alex Deucher <[email protected]> Date: Tue Jul 21 13:10:26 2009 -0400 r600: first pass at polyoffset support not working yet --- src/mesa/drivers/dri/r600/r700_state.c | 119 ++++++++++++++++++++++++++++---- 1 files changed, 106 insertions(+), 13 deletions(-) diff --git a/src/mesa/drivers/dri/r600/r700_state.c b/src/mesa/drivers/dri/r600/r700_state.c index 5fe4b36..eee14b0 100644 --- a/src/mesa/drivers/dri/r600/r700_state.c +++ b/src/mesa/drivers/dri/r600/r700_state.c @@ -57,6 +57,8 @@ static void r700SetClipPlaneState(GLcontext * ctx, GLenum cap, GLboolean state); +static void r700UpdatePolygonMode(GLcontext * ctx); +static void r700SetPolygonOffsetState(GLcontext * ctx, GLboolean state); void r700SetDefaultStates(context_t *context) //-------------------- { @@ -613,11 +615,11 @@ static void r700UpdateCulling(GLcontext * ctx) CLEARbit(r700->PA_SU_SC_MODE_CNTL.u32All, CULL_FRONT_bit); CLEARbit(r700->PA_SU_SC_MODE_CNTL.u32All, CULL_BACK_bit); - if (ctx->Polygon.CullFlag) + if (ctx->Polygon.CullFlag) { - switch (ctx->Polygon.CullFaceMode) + switch (ctx->Polygon.CullFaceMode) { - case GL_FRONT: + case GL_FRONT: SETbit(r700->PA_SU_SC_MODE_CNTL.u32All, CULL_FRONT_bit); CLEARbit(r700->PA_SU_SC_MODE_CNTL.u32All, CULL_BACK_bit); break; @@ -636,13 +638,13 @@ static void r700UpdateCulling(GLcontext * ctx) } } - switch (ctx->Polygon.FrontFace) + switch (ctx->Polygon.FrontFace) { case GL_CW: SETbit(r700->PA_SU_SC_MODE_CNTL.u32All, FACE_bit); break; case GL_CCW: - CLEARbit(r700->PA_SU_SC_MODE_CNTL.u32All, FACE_bit); + CLEARbit(r700->PA_SU_SC_MODE_CNTL.u32All, FACE_bit); break; default: CLEARbit(r700->PA_SU_SC_MODE_CNTL.u32All, FACE_bit); /* default: ccw */ @@ -705,7 +707,7 @@ static void r700Enable(GLcontext * ctx, GLenum cap, GLboolean state) //--------- case GL_POLYGON_OFFSET_POINT: case GL_POLYGON_OFFSET_LINE: case GL_POLYGON_OFFSET_FILL: - //r700SetPolygonOffsetState(ctx, state); + r700SetPolygonOffsetState(ctx, state); break; case GL_SCISSOR_TEST: radeon_firevertices(&context->radeon); @@ -782,6 +784,7 @@ static void r700Fogfv(GLcontext * ctx, GLenum pname, const GLfloat * param) //-- static void r700FrontFace(GLcontext * ctx, GLenum mode) //------------------ { r700UpdateCulling(ctx); + r700UpdatePolygonMode(ctx); } static void r700ShadeModel(GLcontext * ctx, GLenum mode) //-------------------- @@ -907,15 +910,111 @@ static void r700LineStipple(GLcontext *ctx, GLint factor, GLushort pattern) SETfield(r700->PA_SC_LINE_STIPPLE.u32All, 1, AUTO_RESET_CNTL_shift, AUTO_RESET_CNTL_mask); } +static void r700SetPolygonOffsetState(GLcontext * ctx, GLboolean state) +{ + context_t *context = R700_CONTEXT(ctx); + R700_CHIP_CONTEXT *r700 = (R700_CHIP_CONTEXT*)(&context->hw); + + if (state) { + SETbit(r700->PA_SU_SC_MODE_CNTL.u32All, POLY_OFFSET_FRONT_ENABLE_bit); + SETbit(r700->PA_SU_SC_MODE_CNTL.u32All, POLY_OFFSET_BACK_ENABLE_bit); + SETbit(r700->PA_SU_SC_MODE_CNTL.u32All, POLY_OFFSET_PARA_ENABLE_bit); + } else { + CLEARbit(r700->PA_SU_SC_MODE_CNTL.u32All, POLY_OFFSET_FRONT_ENABLE_bit); + CLEARbit(r700->PA_SU_SC_MODE_CNTL.u32All, POLY_OFFSET_BACK_ENABLE_bit); + CLEARbit(r700->PA_SU_SC_MODE_CNTL.u32All, POLY_OFFSET_PARA_ENABLE_bit); + } +} + static void r700PolygonOffset(GLcontext * ctx, GLfloat factor, GLfloat units) //-------------- { + context_t *context = R700_CONTEXT(ctx); + R700_CHIP_CONTEXT *r700 = (R700_CHIP_CONTEXT*)(&context->hw); + GLfloat constant = units; + + switch (ctx->Visual.depthBits) { + case 16: + constant *= 4.0; + break; + case 24: + constant *= 2.0; + break; + } + + factor *= 12.0; + + r700->PA_SU_POLY_OFFSET_FRONT_SCALE.f32All = factor; + r700->PA_SU_POLY_OFFSET_FRONT_OFFSET.f32All = constant; + r700->PA_SU_POLY_OFFSET_BACK_SCALE.f32All = factor; + r700->PA_SU_POLY_OFFSET_BACK_OFFSET.f32All = constant; } +static void r700UpdatePolygonMode(GLcontext * ctx) +{ + context_t *context = R700_CONTEXT(ctx); + R700_CHIP_CONTEXT *r700 = (R700_CHIP_CONTEXT*)(&context->hw); + + SETfield(r700->PA_SU_SC_MODE_CNTL.u32All, X_DISABLE_POLY_MODE, POLY_MODE_shift, POLY_MODE_mask); + + /* Only do something if a polygon mode is wanted, default is GL_FILL */ + if (ctx->Polygon.FrontMode != GL_FILL || + ctx->Polygon.BackMode != GL_FILL) { + GLenum f, b; + + /* Handle GL_CW (clock wise and GL_CCW (counter clock wise) + * correctly by selecting the correct front and back face + */ + if (ctx->Polygon.FrontFace == GL_CCW) { + f = ctx->Polygon.FrontMode; + b = ctx->Polygon.BackMode; + } else { + f = ctx->Polygon.BackMode; + b = ctx->Polygon.FrontMode; + } + + /* Enable polygon mode */ + SETfield(r700->PA_SU_SC_MODE_CNTL.u32All, X_DUAL_MODE, POLY_MODE_shift, POLY_MODE_mask); + + switch (f) { + case GL_LINE: + SETfield(r700->PA_SU_SC_MODE_CNTL.u32All, X_DRAW_LINES, + POLYMODE_FRONT_PTYPE_shift, POLYMODE_FRONT_PTYPE_mask); + break; + case GL_POINT: + SETfield(r700->PA_SU_SC_MODE_CNTL.u32All, X_DRAW_POINTS, + POLYMODE_FRONT_PTYPE_shift, POLYMODE_FRONT_PTYPE_mask); + break; + case GL_FILL: + SETfield(r700->PA_SU_SC_MODE_CNTL.u32All, X_DRAW_TRIANGLES, + POLYMODE_FRONT_PTYPE_shift, POLYMODE_FRONT_PTYPE_mask); + break; + } + + switch (b) { + case GL_LINE: + SETfield(r700->PA_SU_SC_MODE_CNTL.u32All, X_DRAW_LINES, + POLYMODE_BACK_PTYPE_shift, POLYMODE_BACK_PTYPE_mask); + break; + case GL_POINT: + SETfield(r700->PA_SU_SC_MODE_CNTL.u32All, X_DRAW_POINTS, + POLYMODE_BACK_PTYPE_shift, POLYMODE_BACK_PTYPE_mask); + break; + case GL_FILL: + SETfield(r700->PA_SU_SC_MODE_CNTL.u32All, X_DRAW_TRIANGLES, + POLYMODE_BACK_PTYPE_shift, POLYMODE_BACK_PTYPE_mask); + break; + } + } +} static void r700PolygonMode(GLcontext * ctx, GLenum face, GLenum mode) //------------------ { + (void)face; + (void)mode; + + r700UpdatePolygonMode(ctx); } - + static void r700RenderMode(GLcontext * ctx, GLenum mode) //--------------------- { } @@ -1396,12 +1495,6 @@ void r700InitState(GLcontext * ctx) //------------------- r700->DB_SHADER_CONTROL.u32All = 0; SETbit(r700->DB_SHADER_CONTROL.u32All, DUAL_EXPORT_ENABLE_bit); - /* Set up the culling control register */ - SETfield(r700->PA_SU_SC_MODE_CNTL.u32All, X_DRAW_TRIANGLES, - POLYMODE_FRONT_PTYPE_shift, POLYMODE_FRONT_PTYPE_mask); - SETfield(r700->PA_SU_SC_MODE_CNTL.u32All, X_DRAW_TRIANGLES, - POLYMODE_BACK_PTYPE_shift, POLYMODE_BACK_PTYPE_mask); - /* screen */ r700->PA_SC_SCREEN_SCISSOR_TL.u32All = 0x0; _______________________________________________ mesa-commit mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/mesa-commit
