diff options
Diffstat (limited to 'src/mesa/drivers/dri/i915/i915_state.c')
| -rw-r--r-- | src/mesa/drivers/dri/i915/i915_state.c | 248 |
1 files changed, 200 insertions, 48 deletions
diff --git a/src/mesa/drivers/dri/i915/i915_state.c b/src/mesa/drivers/dri/i915/i915_state.c index a53f120a81..b60efea75b 100644 --- a/src/mesa/drivers/dri/i915/i915_state.c +++ b/src/mesa/drivers/dri/i915/i915_state.c @@ -41,79 +41,126 @@ #include "intel_fbo.h" #include "intel_screen.h" #include "intel_batchbuffer.h" +#include "intel_buffers.h" #include "i915_context.h" #include "i915_reg.h" #define FILE_DEBUG_FLAG DEBUG_STATE -static void -i915StencilFuncSeparate(GLcontext * ctx, GLenum face, GLenum func, GLint ref, - GLuint mask) +void +i915_update_stencil(GLcontext * ctx) { struct i915_context *i915 = I915_CONTEXT(ctx); - int test = intel_translate_compare_func(func); - - mask = mask & 0xff; + GLuint front_ref, front_writemask, front_mask; + GLenum front_func, front_fail, front_pass_z_fail, front_pass_z_pass; + GLuint back_ref, back_writemask, back_mask; + GLenum back_func, back_fail, back_pass_z_fail, back_pass_z_pass; - DBG("%s : func: %s, ref : 0x%x, mask: 0x%x\n", __FUNCTION__, - _mesa_lookup_enum_by_nr(func), ref, mask); + I915_STATECHANGE(i915, I915_UPLOAD_CTX); + /* The 915 considers CW to be "front" for two-sided stencil, so choose + * appropriately. + */ + /* _NEW_POLYGON | _NEW_STENCIL */ + if (ctx->Polygon.FrontFace == GL_CW) { + front_ref = ctx->Stencil.Ref[0]; + front_mask = ctx->Stencil.ValueMask[0]; + front_writemask = ctx->Stencil.WriteMask[0]; + front_func = ctx->Stencil.Function[0]; + front_fail = ctx->Stencil.FailFunc[0]; + front_pass_z_fail = ctx->Stencil.ZFailFunc[0]; + front_pass_z_pass = ctx->Stencil.ZPassFunc[0]; + back_ref = ctx->Stencil.Ref[ctx->Stencil._BackFace]; + back_mask = ctx->Stencil.ValueMask[ctx->Stencil._BackFace]; + back_writemask = ctx->Stencil.WriteMask[ctx->Stencil._BackFace]; + back_func = ctx->Stencil.Function[ctx->Stencil._BackFace]; + back_fail = ctx->Stencil.FailFunc[ctx->Stencil._BackFace]; + back_pass_z_fail = ctx->Stencil.ZFailFunc[ctx->Stencil._BackFace]; + back_pass_z_pass = ctx->Stencil.ZPassFunc[ctx->Stencil._BackFace]; + } else { + front_ref = ctx->Stencil.Ref[ctx->Stencil._BackFace]; + front_mask = ctx->Stencil.ValueMask[ctx->Stencil._BackFace]; + front_writemask = ctx->Stencil.WriteMask[ctx->Stencil._BackFace]; + front_func = ctx->Stencil.Function[ctx->Stencil._BackFace]; + front_fail = ctx->Stencil.FailFunc[ctx->Stencil._BackFace]; + front_pass_z_fail = ctx->Stencil.ZFailFunc[ctx->Stencil._BackFace]; + front_pass_z_pass = ctx->Stencil.ZPassFunc[ctx->Stencil._BackFace]; + back_ref = ctx->Stencil.Ref[0]; + back_mask = ctx->Stencil.ValueMask[0]; + back_writemask = ctx->Stencil.WriteMask[0]; + back_func = ctx->Stencil.Function[0]; + back_fail = ctx->Stencil.FailFunc[0]; + back_pass_z_fail = ctx->Stencil.ZFailFunc[0]; + back_pass_z_pass = ctx->Stencil.ZPassFunc[0]; + } - I915_STATECHANGE(i915, I915_UPLOAD_CTX); - i915->state.Ctx[I915_CTXREG_STATE4] &= ~MODE4_ENABLE_STENCIL_TEST_MASK; + /* Set front state. */ + i915->state.Ctx[I915_CTXREG_STATE4] &= ~(MODE4_ENABLE_STENCIL_TEST_MASK | + MODE4_ENABLE_STENCIL_WRITE_MASK); i915->state.Ctx[I915_CTXREG_STATE4] |= (ENABLE_STENCIL_TEST_MASK | - STENCIL_TEST_MASK(mask)); + ENABLE_STENCIL_WRITE_MASK | + STENCIL_TEST_MASK(front_mask) | + STENCIL_WRITE_MASK(front_writemask)); i915->state.Ctx[I915_CTXREG_LIS5] &= ~(S5_STENCIL_REF_MASK | - S5_STENCIL_TEST_FUNC_MASK); + S5_STENCIL_TEST_FUNC_MASK | + S5_STENCIL_FAIL_MASK | + S5_STENCIL_PASS_Z_FAIL_MASK | + S5_STENCIL_PASS_Z_PASS_MASK); + + i915->state.Ctx[I915_CTXREG_LIS5] |= + (front_ref << S5_STENCIL_REF_SHIFT) | + (intel_translate_compare_func(front_func) << S5_STENCIL_TEST_FUNC_SHIFT) | + (intel_translate_stencil_op(front_fail) << S5_STENCIL_FAIL_SHIFT) | + (intel_translate_stencil_op(front_pass_z_fail) << + S5_STENCIL_PASS_Z_FAIL_SHIFT) | + (intel_translate_stencil_op(front_pass_z_pass) << + S5_STENCIL_PASS_Z_PASS_SHIFT); + + /* Set back state if different from front. */ + if (ctx->Stencil._TestTwoSide) { + i915->state.Ctx[I915_CTXREG_BF_STENCIL_OPS] &= + ~(BFO_STENCIL_REF_MASK | + BFO_STENCIL_TEST_MASK | + BFO_STENCIL_FAIL_MASK | + BFO_STENCIL_PASS_Z_FAIL_MASK | + BFO_STENCIL_PASS_Z_PASS_MASK); + i915->state.Ctx[I915_CTXREG_BF_STENCIL_OPS] |= BFO_STENCIL_TWO_SIDE | + (back_ref << BFO_STENCIL_REF_SHIFT) | + (intel_translate_compare_func(back_func) << BFO_STENCIL_TEST_SHIFT) | + (intel_translate_stencil_op(back_fail) << BFO_STENCIL_FAIL_SHIFT) | + (intel_translate_stencil_op(back_pass_z_fail) << + BFO_STENCIL_PASS_Z_FAIL_SHIFT) | + (intel_translate_stencil_op(back_pass_z_pass) << + BFO_STENCIL_PASS_Z_PASS_SHIFT); + + i915->state.Ctx[I915_CTXREG_BF_STENCIL_MASKS] &= + ~(BFM_STENCIL_TEST_MASK_MASK | + BFM_STENCIL_WRITE_MASK_MASK); + i915->state.Ctx[I915_CTXREG_BF_STENCIL_MASKS] |= + BFM_STENCIL_TEST_MASK(back_mask) | + BFM_STENCIL_WRITE_MASK(back_writemask); + } else { + i915->state.Ctx[I915_CTXREG_BF_STENCIL_OPS] &= ~BFO_STENCIL_TWO_SIDE; + } +} - i915->state.Ctx[I915_CTXREG_LIS5] |= ((ref << S5_STENCIL_REF_SHIFT) | - (test << - S5_STENCIL_TEST_FUNC_SHIFT)); +static void +i915StencilFuncSeparate(GLcontext * ctx, GLenum face, GLenum func, GLint ref, + GLuint mask) +{ } static void i915StencilMaskSeparate(GLcontext * ctx, GLenum face, GLuint mask) { - struct i915_context *i915 = I915_CONTEXT(ctx); - - DBG("%s : mask 0x%x\n", __FUNCTION__, mask); - - mask = mask & 0xff; - - I915_STATECHANGE(i915, I915_UPLOAD_CTX); - i915->state.Ctx[I915_CTXREG_STATE4] &= ~MODE4_ENABLE_STENCIL_WRITE_MASK; - i915->state.Ctx[I915_CTXREG_STATE4] |= (ENABLE_STENCIL_WRITE_MASK | - STENCIL_WRITE_MASK(mask)); } - static void i915StencilOpSeparate(GLcontext * ctx, GLenum face, GLenum fail, GLenum zfail, GLenum zpass) { - struct i915_context *i915 = I915_CONTEXT(ctx); - int fop = intel_translate_stencil_op(fail); - int dfop = intel_translate_stencil_op(zfail); - int dpop = intel_translate_stencil_op(zpass); - - - DBG("%s: fail : %s, zfail: %s, zpass : %s\n", __FUNCTION__, - _mesa_lookup_enum_by_nr(fail), - _mesa_lookup_enum_by_nr(zfail), _mesa_lookup_enum_by_nr(zpass)); - - I915_STATECHANGE(i915, I915_UPLOAD_CTX); - - i915->state.Ctx[I915_CTXREG_LIS5] &= ~(S5_STENCIL_FAIL_MASK | - S5_STENCIL_PASS_Z_FAIL_MASK | - S5_STENCIL_PASS_Z_PASS_MASK); - - i915->state.Ctx[I915_CTXREG_LIS5] |= ((fop << S5_STENCIL_FAIL_SHIFT) | - (dfop << - S5_STENCIL_PASS_Z_FAIL_SHIFT) | - (dpop << - S5_STENCIL_PASS_Z_PASS_SHIFT)); } static void @@ -301,6 +348,65 @@ i915DepthMask(GLcontext * ctx, GLboolean flag) i915->state.Ctx[I915_CTXREG_LIS6] &= ~S6_DEPTH_WRITE_ENABLE; } + + +/** + * Update the viewport transformation matrix. Depends on: + * - viewport pos/size + * - depthrange + * - window pos/size or FBO size + */ +void +intelCalcViewport(GLcontext * ctx) +{ + struct intel_context *intel = intel_context(ctx); + const GLfloat *v = ctx->Viewport._WindowMap.m; + const GLfloat depthScale = 1.0F / ctx->DrawBuffer->_DepthMaxF; + GLfloat *m = intel->ViewportMatrix.m; + GLfloat yScale, yBias; + + if (ctx->DrawBuffer->Name) { + /* User created FBO */ + /* y=0=bottom */ + yScale = 1.0; + yBias = 0.0; + } + else { + /* window buffer, y=0=top */ + yScale = -1.0; + yBias = (intel->driDrawable) ? intel->driDrawable->h : 0.0F; + } + + m[MAT_SX] = v[MAT_SX]; + m[MAT_TX] = v[MAT_TX]; + + m[MAT_SY] = v[MAT_SY] * yScale; + m[MAT_TY] = v[MAT_TY] * yScale + yBias; + + m[MAT_SZ] = v[MAT_SZ] * depthScale; + m[MAT_TZ] = v[MAT_TZ] * depthScale; +} + + +/** Called from ctx->Driver.Viewport() */ +static void +i915Viewport(GLcontext * ctx, + GLint x, GLint y, GLsizei width, GLsizei height) +{ + intelCalcViewport(ctx); + + intel_viewport(ctx, x, y, width, height); +} + + +/** Called from ctx->Driver.DepthRange() */ +static void +i915DepthRange(GLcontext * ctx, GLclampd nearval, GLclampd farval) +{ + intelCalcViewport(ctx); +} + + /* ============================================================= * Polygon stipple * @@ -885,6 +991,17 @@ i915_init_packets(struct i915_context *i915) _3DSTATE_CONST_BLEND_COLOR_CMD; i915->state.Ctx[I915_CTXREG_BLENDCOLOR1] = 0; + i915->state.Ctx[I915_CTXREG_BF_STENCIL_MASKS] = + _3DSTATE_BACKFACE_STENCIL_MASKS | + BFM_ENABLE_STENCIL_TEST_MASK | + BFM_ENABLE_STENCIL_WRITE_MASK | + (0xff << BFM_STENCIL_WRITE_MASK_SHIFT) | + (0xff << BFM_STENCIL_TEST_MASK_SHIFT); + i915->state.Ctx[I915_CTXREG_BF_STENCIL_OPS] = + _3DSTATE_BACKFACE_STENCIL_OPS | + BFO_ENABLE_STENCIL_REF | + BFO_ENABLE_STENCIL_FUNCS | + BFO_ENABLE_STENCIL_TWO_SIDE; } { @@ -916,6 +1033,13 @@ i915_init_packets(struct i915_context *i915) i915->state.Buffer[I915_DESTREG_SR2] = 0; } + i915->state.RasterRules[I915_RASTER_RULES] = _3DSTATE_RASTER_RULES_CMD | + ENABLE_POINT_RASTER_RULE | + OGL_POINT_RASTER_RULE | + ENABLE_LINE_STRIP_PROVOKE_VRTX | + ENABLE_TRI_FAN_PROVOKE_VRTX | + LINE_STRIP_PROVOKE_VRTX(1) | + TRI_FAN_PROVOKE_VRTX(2) | ENABLE_TEXKILL_3D_4D | TEXKILL_4D; #if 0 { @@ -936,7 +1060,33 @@ i915_init_packets(struct i915_context *i915) i915->state.active = (I915_UPLOAD_PROGRAM | I915_UPLOAD_STIPPLE | I915_UPLOAD_CTX | - I915_UPLOAD_BUFFERS | I915_UPLOAD_INVARIENT); + I915_UPLOAD_BUFFERS | + I915_UPLOAD_INVARIENT | + I915_UPLOAD_RASTER_RULES); +} + +void +i915_update_provoking_vertex(GLcontext * ctx) +{ + struct i915_context *i915 = I915_CONTEXT(ctx); + + I915_STATECHANGE(i915, I915_UPLOAD_CTX); + i915->state.Ctx[I915_CTXREG_LIS6] &= ~(S6_TRISTRIP_PV_MASK); + + I915_STATECHANGE(i915, I915_UPLOAD_RASTER_RULES); + i915->state.RasterRules[I915_RASTER_RULES] &= ~(LINE_STRIP_PROVOKE_VRTX_MASK | + TRI_FAN_PROVOKE_VRTX_MASK); + + /* _NEW_LIGHT */ + if (ctx->Light.ProvokingVertex == GL_LAST_VERTEX_CONVENTION) { + i915->state.RasterRules[I915_RASTER_RULES] |= (LINE_STRIP_PROVOKE_VRTX(1) | + TRI_FAN_PROVOKE_VRTX(2)); + i915->state.Ctx[I915_CTXREG_LIS6] |= (2 << S6_TRISTRIP_PV_SHIFT); + } else { + i915->state.RasterRules[I915_RASTER_RULES] |= (LINE_STRIP_PROVOKE_VRTX(0) | + TRI_FAN_PROVOKE_VRTX(1)); + i915->state.Ctx[I915_CTXREG_LIS6] |= (0 << S6_TRISTRIP_PV_SHIFT); + } } void @@ -964,6 +1114,8 @@ i915InitStateFunctions(struct dd_function_table *functions) functions->StencilFuncSeparate = i915StencilFuncSeparate; functions->StencilMaskSeparate = i915StencilMaskSeparate; functions->StencilOpSeparate = i915StencilOpSeparate; + functions->DepthRange = i915DepthRange; + functions->Viewport = i915Viewport; } |