mesa: implement glGet for AMD_framebuffer_multisample_advanced
[mesa.git] / src / mesa / main / attrib.c
index 50b65c413e577ce94659c79af64f6a0abf23236c..cbe93ab6faa60ec5853f0d0b6165872a8d1b8321 100644 (file)
@@ -56,7 +56,7 @@
 #include "varray.h"
 #include "viewport.h"
 #include "mtypes.h"
-#include "main/dispatch.h"
+#include "state.h"
 #include "hash.h"
 #include <stdbool.h>
 
@@ -137,6 +137,9 @@ struct gl_enable_attrib
 
    /* GL_ARB_framebuffer_sRGB / GL_EXT_framebuffer_sRGB */
    GLboolean sRGBEnabled;
+
+   /* GL_NV_conservative_raster */
+   GLboolean ConservativeRasterization;
 };
 
 
@@ -177,6 +180,13 @@ struct texture_state
 };
 
 
+struct viewport_state
+{
+   struct gl_viewport_attrib ViewportArray[MAX_VIEWPORTS];
+   GLuint SubpixelPrecisionBias[2];
+};
+
+
 /** An unused GL_*_BIT value */
 #define DUMMY_BIT 0x10000000
 
@@ -374,8 +384,8 @@ _mesa_PushAttrib(GLbitfield mask)
       attr->SampleAlphaToOne = ctx->Multisample.SampleAlphaToOne;
       attr->SampleCoverage = ctx->Multisample.SampleCoverage;
       for (i = 0; i < ctx->Const.MaxTextureUnits; i++) {
-         attr->Texture[i] = ctx->Texture.Unit[i].Enabled;
-         attr->TexGen[i] = ctx->Texture.Unit[i].TexGenEnabled;
+         attr->Texture[i] = ctx->Texture.FixedFuncUnit[i].Enabled;
+         attr->TexGen[i] = ctx->Texture.FixedFuncUnit[i].TexGenEnabled;
       }
       /* GL_ARB_vertex_program */
       attr->VertexProgram = ctx->VertexProgram.Enabled;
@@ -393,6 +403,9 @@ _mesa_PushAttrib(GLbitfield mask)
 
       /* GL_ARB_framebuffer_sRGB / GL_EXT_framebuffer_sRGB */
       attr->sRGBEnabled = ctx->Color.sRGBEnabled;
+
+      /* GL_NV_conservative_raster */
+      attr->ConservativeRasterization = ctx->ConservativeRasterization;
    }
 
    if (mask & GL_EVAL_BIT) {
@@ -544,11 +557,23 @@ _mesa_PushAttrib(GLbitfield mask)
    }
 
    if (mask & GL_VIEWPORT_BIT) {
-      if (!push_attrib(ctx, &head, GL_VIEWPORT_BIT,
-                       sizeof(struct gl_viewport_attrib)
-                       * ctx->Const.MaxViewports,
-                       (void*)&ctx->ViewportArray))
+      struct viewport_state *viewstate = CALLOC_STRUCT(viewport_state);
+      if (!viewstate) {
+         _mesa_error(ctx, GL_OUT_OF_MEMORY, "glPushAttrib(GL_VIEWPORT_BIT)");
          goto end;
+      }
+
+      if (!save_attrib_data(&head, GL_VIEWPORT_BIT, viewstate)) {
+         free(viewstate);
+         _mesa_error(ctx, GL_OUT_OF_MEMORY, "glPushAttrib(GL_VIEWPORT_BIT)");
+         goto end;
+      }
+
+      memcpy(&viewstate->ViewportArray, &ctx->ViewportArray,
+             sizeof(struct gl_viewport_attrib)*ctx->Const.MaxViewports);
+
+      viewstate->SubpixelPrecisionBias[0] = ctx->SubpixelPrecisionBias[0];
+      viewstate->SubpixelPrecisionBias[1] = ctx->SubpixelPrecisionBias[1];
    }
 
    /* GL_ARB_multisample */
@@ -713,12 +738,19 @@ pop_enable_group(struct gl_context *ctx, const struct gl_enable_attrib *enable)
    TEST_AND_UPDATE(ctx->Color.sRGBEnabled, enable->sRGBEnabled,
                    GL_FRAMEBUFFER_SRGB);
 
+   /* GL_NV_conservative_raster */
+   if (ctx->Extensions.NV_conservative_raster) {
+      TEST_AND_UPDATE(ctx->ConservativeRasterization,
+                      enable->ConservativeRasterization,
+                      GL_CONSERVATIVE_RASTERIZATION_NV);
+   }
+
    /* texture unit enables */
    for (i = 0; i < ctx->Const.MaxTextureUnits; i++) {
       const GLbitfield enabled = enable->Texture[i];
       const GLbitfield genEnabled = enable->TexGen[i];
 
-      if (ctx->Texture.Unit[i].Enabled != enabled) {
+      if (ctx->Texture.FixedFuncUnit[i].Enabled != enabled) {
          _mesa_ActiveTexture(GL_TEXTURE0 + i);
 
          _mesa_set_enable(ctx, GL_TEXTURE_1D, !!(enabled & TEXTURE_1D_BIT));
@@ -734,7 +766,7 @@ pop_enable_group(struct gl_context *ctx, const struct gl_enable_attrib *enable)
          }
       }
 
-      if (ctx->Texture.Unit[i].TexGenEnabled != genEnabled) {
+      if (ctx->Texture.FixedFuncUnit[i].TexGenEnabled != genEnabled) {
          _mesa_ActiveTexture(GL_TEXTURE0 + i);
          _mesa_set_enable(ctx, GL_TEXTURE_GEN_S, !!(genEnabled & S_BIT));
          _mesa_set_enable(ctx, GL_TEXTURE_GEN_T, !!(genEnabled & T_BIT));
@@ -758,7 +790,8 @@ pop_texture_group(struct gl_context *ctx, struct texture_state *texstate)
    _mesa_lock_context_textures(ctx);
 
    for (u = 0; u < ctx->Const.MaxTextureUnits; u++) {
-      const struct gl_texture_unit *unit = &texstate->Texture.Unit[u];
+      const struct gl_fixedfunc_texture_unit *unit =
+         &texstate->Texture.FixedFuncUnit[u];
       GLuint tgt;
 
       _mesa_ActiveTexture(GL_TEXTURE0_ARB + u);
@@ -785,7 +818,9 @@ pop_texture_group(struct gl_context *ctx, struct texture_state *texstate)
       _mesa_TexGenfv(GL_Q, GL_OBJECT_PLANE, unit->GenQ.ObjectPlane);
       /* Eye plane done differently to avoid re-transformation */
       {
-         struct gl_texture_unit *destUnit = &ctx->Texture.Unit[u];
+         struct gl_fixedfunc_texture_unit *destUnit =
+            &ctx->Texture.FixedFuncUnit[u];
+
          COPY_4FV(destUnit->GenS.EyePlane, unit->GenS.EyePlane);
          COPY_4FV(destUnit->GenT.EyePlane, unit->GenT.EyePlane);
          COPY_4FV(destUnit->GenR.EyePlane, unit->GenR.EyePlane);
@@ -802,7 +837,7 @@ pop_texture_group(struct gl_context *ctx, struct texture_state *texstate)
       _mesa_set_enable(ctx, GL_TEXTURE_GEN_R, !!(unit->TexGenEnabled & R_BIT));
       _mesa_set_enable(ctx, GL_TEXTURE_GEN_Q, !!(unit->TexGenEnabled & Q_BIT));
       _mesa_TexEnvf(GL_TEXTURE_FILTER_CONTROL, GL_TEXTURE_LOD_BIAS,
-                    unit->LodBias);
+                   texstate->Texture.Unit[u].LodBias);
       _mesa_TexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB,
                     unit->Combine.ModeRGB);
       _mesa_TexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA,
@@ -967,19 +1002,19 @@ _mesa_PopAttrib(void)
                                 color->ClearColor.f[3]);
                _mesa_IndexMask(color->IndexMask);
                if (!ctx->Extensions.EXT_draw_buffers2) {
-                  _mesa_ColorMask((GLboolean) (color->ColorMask[0][0] != 0),
-                                  (GLboolean) (color->ColorMask[0][1] != 0),
-                                  (GLboolean) (color->ColorMask[0][2] != 0),
-                                  (GLboolean) (color->ColorMask[0][3] != 0));
+                  _mesa_ColorMask(GET_COLORMASK_BIT(color->ColorMask, 0, 0),
+                                  GET_COLORMASK_BIT(color->ColorMask, 0, 1),
+                                  GET_COLORMASK_BIT(color->ColorMask, 0, 2),
+                                  GET_COLORMASK_BIT(color->ColorMask, 0, 3));
                }
                else {
                   GLuint i;
                   for (i = 0; i < ctx->Const.MaxDrawBuffers; i++) {
                      _mesa_ColorMaski(i,
-                                  (GLboolean) (color->ColorMask[i][0] != 0),
-                                  (GLboolean) (color->ColorMask[i][1] != 0),
-                                  (GLboolean) (color->ColorMask[i][2] != 0),
-                                  (GLboolean) (color->ColorMask[i][3] != 0));
+                                      GET_COLORMASK_BIT(color->ColorMask, i, 0),
+                                      GET_COLORMASK_BIT(color->ColorMask, i, 1),
+                                      GET_COLORMASK_BIT(color->ColorMask, i, 2),
+                                      GET_COLORMASK_BIT(color->ColorMask, i, 3));
                   }
                }
                {
@@ -1005,11 +1040,16 @@ _mesa_PopAttrib(void)
                    * user FBO bound, GL_FRONT will be illegal and we'll need
                    * to record that error.  Per OpenGL ARB decision.
                    */
-                  if (multipleBuffers)
-                     _mesa_DrawBuffers(ctx->Const.MaxDrawBuffers,
-                                          color->DrawBuffer);
-                  else
+                  if (multipleBuffers) {
+                     GLenum buffers[MAX_DRAW_BUFFERS];
+
+                     for (unsigned i = 0; i < ctx->Const.MaxDrawBuffers; i++)
+                        buffers[i] = color->DrawBuffer[i];
+
+                     _mesa_DrawBuffers(ctx->Const.MaxDrawBuffers, buffers);
+                  } else {
                      _mesa_DrawBuffer(color->DrawBuffer[0]);
+                  }
                }
                _mesa_set_enable(ctx, GL_ALPHA_TEST, color->AlphaEnabled);
                _mesa_AlphaFunc(color->AlphaFunc, color->AlphaRefUnclamped);
@@ -1118,7 +1158,8 @@ _mesa_PopAttrib(void)
                                       ctx->DriverFlags.NewSampleAlphaToXEnable |
                                       ctx->DriverFlags.NewSampleMask |
                                       ctx->DriverFlags.NewScissorTest |
-                                      ctx->DriverFlags.NewStencil;
+                                      ctx->DriverFlags.NewStencil |
+                                      ctx->DriverFlags.NewNvConservativeRasterization;
             }
             break;
          case GL_EVAL_BIT:
@@ -1410,13 +1451,20 @@ _mesa_PopAttrib(void)
          case GL_VIEWPORT_BIT:
             {
                unsigned i;
-               const struct gl_viewport_attrib *vp;
-               vp = (const struct gl_viewport_attrib *) attr->data;
+               const struct viewport_state *viewstate;
+               viewstate = (const struct viewport_state *) attr->data;
 
                for (i = 0; i < ctx->Const.MaxViewports; i++) {
-                  _mesa_set_viewport(ctx, i, vp[i].X, vp[i].Y, vp[i].Width,
-                                     vp[i].Height);
-                  _mesa_set_depth_range(ctx, i, vp[i].Near, vp[i].Far);
+                  const struct gl_viewport_attrib *vp = &viewstate->ViewportArray[i];
+                  _mesa_set_viewport(ctx, i, vp->X, vp->Y, vp->Width,
+                                     vp->Height);
+                  _mesa_set_depth_range(ctx, i, vp->Near, vp->Far);
+               }
+
+               if (ctx->Extensions.NV_conservative_raster) {
+                  GLuint biasx = viewstate->SubpixelPrecisionBias[0];
+                  GLuint biasy = viewstate->SubpixelPrecisionBias[1];
+                  _mesa_SubpixelPrecisionBiasNV(biasx, biasy);
                }
             }
             break;
@@ -1498,15 +1546,16 @@ copy_array_object(struct gl_context *ctx,
    /* skip RefCount */
 
    for (i = 0; i < ARRAY_SIZE(src->VertexAttrib); i++) {
-      _mesa_copy_client_array(ctx, &dest->_VertexAttrib[i], &src->_VertexAttrib[i]);
       _mesa_copy_vertex_attrib_array(ctx, &dest->VertexAttrib[i], &src->VertexAttrib[i]);
       _mesa_copy_vertex_buffer_binding(ctx, &dest->BufferBinding[i], &src->BufferBinding[i]);
    }
 
    /* _Enabled must be the same than on push */
    dest->_Enabled = src->_Enabled;
+   dest->_EffEnabledVBO = src->_EffEnabledVBO;
    /* The bitmask of bound VBOs needs to match the VertexBinding array */
    dest->VertexAttribBufferMask = src->VertexAttribBufferMask;
+   dest->_AttributeMapMode = src->_AttributeMapMode;
    dest->NewArrays = src->NewArrays;
 }
 
@@ -1539,7 +1588,7 @@ copy_array_attrib(struct gl_context *ctx,
    /* skip IndexBufferObj */
 
    /* Invalidate array state. It will be updated during the next draw. */
-   _mesa_set_drawing_arrays(ctx, NULL);
+   _mesa_set_draw_vao(ctx, ctx->Array._EmptyVAO, 0);
 }
 
 /**