DBG("%s flag (%d)\n", __FUNCTION__, flag);
+ if (!ctx->DrawBuffer || !ctx->DrawBuffer->Visual.depthBits)
+ flag = false;
+
dw = i915->state.Ctx[I915_CTXREG_LIS6];
if (flag && ctx->Depth.Test)
dw |= S6_DEPTH_WRITE_ENABLE;
intelCalcViewport(struct gl_context * 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 = ctx->DrawBuffer->Height;
- }
-
- 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;
+ if (ctx->DrawBuffer->Name == 0) {
+ _math_matrix_viewport(&intel->ViewportMatrix,
+ ctx->Viewport.X,
+ ctx->DrawBuffer->Height - ctx->Viewport.Y,
+ ctx->Viewport.Width,
+ -ctx->Viewport.Height,
+ ctx->Viewport.Near,
+ ctx->Viewport.Far,
+ 1.0);
+ } else {
+ _math_matrix_viewport(&intel->ViewportMatrix,
+ ctx->Viewport.X,
+ ctx->Viewport.Y,
+ ctx->Viewport.Width,
+ ctx->Viewport.Height,
+ ctx->Viewport.Near,
+ ctx->Viewport.Far,
+ 1.0);
+ }
}
/* =============================================================
* Fog
+ *
+ * This empty function remains because _mesa_init_driver_state calls
+ * dd_function_table::Fogfv unconditionally. We have to have some function
+ * there so that it doesn't try to call a NULL pointer.
*/
-void
-i915_update_fog(struct gl_context * ctx)
-{
- struct i915_context *i915 = I915_CONTEXT(ctx);
- GLenum mode;
- GLboolean enabled;
- GLboolean try_pixel_fog;
- GLuint dw;
-
- if (ctx->FragmentProgram._Current) {
- /* Pull in static fog state from program */
- mode = ctx->FragmentProgram._Current->FogOption;
- enabled = (mode != GL_NONE);
- try_pixel_fog = 0;
- }
- else {
- enabled = ctx->Fog.Enabled;
- mode = ctx->Fog.Mode;
-#if 0
- /* XXX - DISABLED -- Need ortho fallback */
- try_pixel_fog = (ctx->Fog.FogCoordinateSource == GL_FRAGMENT_DEPTH_EXT
- && ctx->Hint.Fog == GL_NICEST);
-#else
- try_pixel_fog = 0;
-#endif
- }
-
- if (!enabled) {
- i915->vertex_fog = I915_FOG_NONE;
- }
- else if (try_pixel_fog) {
- I915_STATECHANGE(i915, I915_UPLOAD_FOG);
- i915->state.Fog[I915_FOGREG_MODE1] &= ~FMC1_FOGFUNC_MASK;
- i915->vertex_fog = I915_FOG_PIXEL;
-
- switch (mode) {
- case GL_LINEAR:
- if (ctx->Fog.End <= ctx->Fog.Start) {
- /* XXX - this won't work with fragment programs. Need to
- * either fallback or append fog instructions to end of
- * program in the case of linear fog.
- */
- printf("vertex fog!\n");
- i915->state.Fog[I915_FOGREG_MODE1] |= FMC1_FOGFUNC_VERTEX;
- i915->vertex_fog = I915_FOG_VERTEX;
- }
- else {
- GLfloat c2 = 1.0 / (ctx->Fog.End - ctx->Fog.Start);
- GLfloat c1 = ctx->Fog.End * c2;
-
- i915->state.Fog[I915_FOGREG_MODE1] &= ~FMC1_C1_MASK;
- i915->state.Fog[I915_FOGREG_MODE1] |= FMC1_FOGFUNC_PIXEL_LINEAR;
- i915->state.Fog[I915_FOGREG_MODE1] |=
- ((GLuint) (c1 * FMC1_C1_ONE)) & FMC1_C1_MASK;
-
- if (i915->state.Fog[I915_FOGREG_MODE1] & FMC1_FOGINDEX_Z) {
- i915->state.Fog[I915_FOGREG_MODE2]
- = (GLuint) (c2 * FMC2_C2_ONE);
- }
- else {
- fi_type fi;
- fi.f = c2;
- i915->state.Fog[I915_FOGREG_MODE2] = fi.i;
- }
- }
- break;
- case GL_EXP:
- i915->state.Fog[I915_FOGREG_MODE1] |= FMC1_FOGFUNC_PIXEL_EXP;
- break;
- case GL_EXP2:
- i915->state.Fog[I915_FOGREG_MODE1] |= FMC1_FOGFUNC_PIXEL_EXP2;
- break;
- default:
- break;
- }
- }
- else { /* if (i915->vertex_fog != I915_FOG_VERTEX) */
- I915_STATECHANGE(i915, I915_UPLOAD_FOG);
- i915->state.Fog[I915_FOGREG_MODE1] &= ~FMC1_FOGFUNC_MASK;
- i915->state.Fog[I915_FOGREG_MODE1] |= FMC1_FOGFUNC_VERTEX;
- i915->vertex_fog = I915_FOG_VERTEX;
- }
-
- I915_ACTIVESTATE(i915, I915_UPLOAD_FOG, enabled);
- dw = i915->state.Ctx[I915_CTXREG_LIS5];
- if (enabled)
- dw |= S5_FOG_ENABLE;
- else
- dw &= ~S5_FOG_ENABLE;
- if (dw != i915->state.Ctx[I915_CTXREG_LIS5]) {
- i915->state.Ctx[I915_CTXREG_LIS5] = dw;
- I915_STATECHANGE(i915, I915_UPLOAD_CTX);
- }
-
- /* Always enable pixel fog. Vertex fog using fog coord will conflict
- * with fog code appended onto fragment program.
- */
- _tnl_allow_vertex_fog( ctx, 0 );
- _tnl_allow_pixel_fog( ctx, 1 );
-}
-
static void
i915Fogfv(struct gl_context * ctx, GLenum pname, const GLfloat * param)
{
- struct i915_context *i915 = I915_CONTEXT(ctx);
-
- switch (pname) {
- case GL_FOG_COORDINATE_SOURCE_EXT:
- case GL_FOG_MODE:
- case GL_FOG_START:
- case GL_FOG_END:
- break;
-
- case GL_FOG_DENSITY:
- I915_STATECHANGE(i915, I915_UPLOAD_FOG);
-
- if (i915->state.Fog[I915_FOGREG_MODE1] & FMC1_FOGINDEX_Z) {
- i915->state.Fog[I915_FOGREG_MODE3] =
- (GLuint) (ctx->Fog.Density * FMC3_D_ONE);
- }
- else {
- fi_type fi;
- fi.f = ctx->Fog.Density;
- i915->state.Fog[I915_FOGREG_MODE3] = fi.i;
- }
- break;
-
- case GL_FOG_COLOR:
- I915_STATECHANGE(i915, I915_UPLOAD_FOG);
- i915->state.Fog[I915_FOGREG_COLOR] =
- (_3DSTATE_FOG_COLOR_CMD |
- ((GLubyte) (ctx->Fog.Color[0] * 255.0F) << 16) |
- ((GLubyte) (ctx->Fog.Color[1] * 255.0F) << 8) |
- ((GLubyte) (ctx->Fog.Color[2] * 255.0F) << 0));
- break;
-
- default:
- break;
- }
-}
-
-static void
-i915Hint(struct gl_context * ctx, GLenum target, GLenum state)
-{
- switch (target) {
- case GL_FOG_HINT:
- break;
- default:
- break;
- }
+ (void) ctx;
+ (void) pname;
+ (void) param;
}
/* =============================================================
case GL_DEPTH_TEST:
dw = i915->state.Ctx[I915_CTXREG_LIS6];
+
+ if (!ctx->DrawBuffer || !ctx->DrawBuffer->Visual.depthBits)
+ state = false;
+
if (state)
dw |= S6_DEPTH_TEST_ENABLE;
else
}
break;
- case GL_FOG:
- break;
-
case GL_CULL_FACE:
i915CullFaceFrontFace(ctx, 0);
break;
case GL_STENCIL_TEST:
- {
- GLboolean hw_stencil = GL_FALSE;
- if (ctx->DrawBuffer) {
- struct intel_renderbuffer *irbStencil
- = intel_get_renderbuffer(ctx->DrawBuffer, BUFFER_STENCIL);
- hw_stencil = (irbStencil && irbStencil->region);
- }
- if (hw_stencil) {
- dw = i915->state.Ctx[I915_CTXREG_LIS5];
- if (state)
- dw |= (S5_STENCIL_TEST_ENABLE | S5_STENCIL_WRITE_ENABLE);
- else
- dw &= ~(S5_STENCIL_TEST_ENABLE | S5_STENCIL_WRITE_ENABLE);
- if (dw != i915->state.Ctx[I915_CTXREG_LIS5]) {
- i915->state.Ctx[I915_CTXREG_LIS5] = dw;
- I915_STATECHANGE(i915, I915_UPLOAD_CTX);
- }
- }
- else {
- FALLBACK(&i915->intel, I915_FALLBACK_STENCIL, state);
- }
+ if (!ctx->DrawBuffer || !ctx->DrawBuffer->Visual.stencilBits)
+ state = false;
+
+ dw = i915->state.Ctx[I915_CTXREG_LIS5];
+ if (state)
+ dw |= (S5_STENCIL_TEST_ENABLE | S5_STENCIL_WRITE_ENABLE);
+ else
+ dw &= ~(S5_STENCIL_TEST_ENABLE | S5_STENCIL_WRITE_ENABLE);
+ if (dw != i915->state.Ctx[I915_CTXREG_LIS5]) {
+ i915->state.Ctx[I915_CTXREG_LIS5] = dw;
+ I915_STATECHANGE(i915, I915_UPLOAD_CTX);
}
break;
i915->state.Stipple[I915_STPREG_ST0] = _3DSTATE_STIPPLE;
}
-
- {
- I915_STATECHANGE(i915, I915_UPLOAD_FOG);
- i915->state.Fog[I915_FOGREG_MODE0] = _3DSTATE_FOG_MODE_CMD;
- i915->state.Fog[I915_FOGREG_MODE1] = (FMC1_FOGFUNC_MODIFY_ENABLE |
- FMC1_FOGFUNC_VERTEX |
- FMC1_FOGINDEX_MODIFY_ENABLE |
- FMC1_FOGINDEX_W |
- FMC1_C1_C2_MODIFY_ENABLE |
- FMC1_DENSITY_MODIFY_ENABLE);
- i915->state.Fog[I915_FOGREG_COLOR] = _3DSTATE_FOG_COLOR_CMD;
- }
-
{
i915->state.Buffer[I915_DESTREG_DV0] = _3DSTATE_DST_BUF_VARS_CMD;
functions->Enable = i915Enable;
functions->Fogfv = i915Fogfv;
functions->FrontFace = i915CullFaceFrontFace;
- functions->Hint = i915Hint;
functions->LightModelfv = i915LightModelfv;
functions->LineWidth = i915LineWidth;
functions->LogicOpcode = i915LogicOp;
projects / mesa.git / blobdiff