intel/radeon: add common metaops code.

Move all the metaops to a dri_metaops file and port radeon/intel
to use the new common meta ops code.

5 files changed, 8 insertions, 288 deletions

diff --git a/src/mesa/drivers/dri/radeon/radeon_common.c b/src/mesa/drivers/dri/radeon/radeon_common.c
index 0a8d8b03e86..3bf42e9bb00 100644
--- a/src/mesa/drivers/dri/radeon/radeon_common.c
+++ b/src/mesa/drivers/dri/radeon/radeon_common.c
@@ -877,7 +877,7 @@ void radeon_viewport(GLcontext *ctx, GLint x, GLint y, GLsizei width, GLsizei he
 	if (!driContext->driScreenPriv->dri2.enabled)
 		return;
 
-	if (!radeon->internal_viewport_call && ctx->DrawBuffer->Name == 0) {
+	if (!radeon->meta.internal_viewport_call && ctx->DrawBuffer->Name == 0) {
 		if (radeon->is_front_buffer_rendering) {
 			radeonFlush(ctx);
 		}
@@ -1258,254 +1258,8 @@ void rcommonBeginBatch(radeonContextPtr rmesa, int n,
 
 }
 
-
-
-static void
-radeon_meta_set_passthrough_transform(radeonContextPtr radeon)
-{
-   GLcontext *ctx = radeon->glCtx;
-
-   radeon->meta.saved_vp_x = ctx->Viewport.X;
-   radeon->meta.saved_vp_y = ctx->Viewport.Y;
-   radeon->meta.saved_vp_width = ctx->Viewport.Width;
-   radeon->meta.saved_vp_height = ctx->Viewport.Height;
-   radeon->meta.saved_matrix_mode = ctx->Transform.MatrixMode;
-
-   radeon->internal_viewport_call = GL_TRUE;
-   _mesa_Viewport(0, 0, ctx->DrawBuffer->Width, ctx->DrawBuffer->Height);
-   radeon->internal_viewport_call = GL_FALSE;
-
-   _mesa_MatrixMode(GL_PROJECTION);
-   _mesa_PushMatrix();
-   _mesa_LoadIdentity();
-   _mesa_Ortho(0, ctx->DrawBuffer->Width, 0, ctx->DrawBuffer->Height, 1, -1);
-
-   _mesa_MatrixMode(GL_MODELVIEW);
-   _mesa_PushMatrix();
-   _mesa_LoadIdentity();
-}
-
-static void
-radeon_meta_restore_transform(radeonContextPtr radeon)
-{
-   _mesa_MatrixMode(GL_PROJECTION);
-   _mesa_PopMatrix();
-   _mesa_MatrixMode(GL_MODELVIEW);
-   _mesa_PopMatrix();
-
-   _mesa_MatrixMode(radeon->meta.saved_matrix_mode);
-
-   radeon->internal_viewport_call = GL_TRUE;
-   _mesa_Viewport(radeon->meta.saved_vp_x, radeon->meta.saved_vp_y,
-		  radeon->meta.saved_vp_width, radeon->meta.saved_vp_height);
-   radeon->internal_viewport_call = GL_FALSE;
-}
-
-
-/**
- * Perform glClear where mask contains only color, depth, and/or stencil.
- *
- * The implementation is based on calling into Mesa to set GL state and
- * performing normal triangle rendering.  The intent of this path is to
- * have as generic a path as possible, so that any driver could make use of
- * it.
- */
-
-static void radeon_clear_init(GLcontext *ctx)
-{
-    radeonContextPtr rmesa = RADEON_CONTEXT(ctx);
-    struct gl_array_object *arraySave = NULL;
-    const GLuint arrayBuffer = ctx->Array.ArrayBufferObj->Name;
-    const GLuint elementBuffer = ctx->Array.ElementArrayBufferObj->Name;
-
-    /* create new array object */
-    rmesa->clear.arrayObj = _mesa_new_array_object(ctx, ~0);
-    _mesa_reference_array_object(ctx, &arraySave, ctx->Array.ArrayObj);
-    _mesa_reference_array_object(ctx, &ctx->Array.ArrayObj, rmesa->clear.arrayObj);
-
-    /* one time setup of vertex arrays (pos, color) */
-    _mesa_BindBufferARB(GL_ARRAY_BUFFER_ARB, 0);
-    _mesa_BindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, 0);
-    _mesa_ColorPointer(4, GL_FLOAT, 4 * sizeof(GLfloat), rmesa->clear.color);
-    _mesa_VertexPointer(3, GL_FLOAT, 3 * sizeof(GLfloat), rmesa->clear.vertices);
-    _mesa_Enable(GL_COLOR_ARRAY);
-    _mesa_Enable(GL_VERTEX_ARRAY);
-
-    /* restore original array object */
-    _mesa_reference_array_object(ctx, &ctx->Array.ArrayObj, arraySave);
-    _mesa_reference_array_object(ctx, &arraySave, NULL);
-
-    /* restore original buffer objects */
-    _mesa_BindBufferARB(GL_ARRAY_BUFFER_ARB, arrayBuffer);
-    _mesa_BindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, elementBuffer);
-}
-
-
-void radeon_clear_tris(GLcontext *ctx, GLbitfield mask)
+void radeonUserClear(GLcontext *ctx, GLuint mask)
 {
    radeonContextPtr rmesa = RADEON_CONTEXT(ctx);
-   GLfloat dst_z;
-   struct gl_framebuffer *fb = ctx->DrawBuffer;
-   int i;
-   GLboolean saved_fp_enable = GL_FALSE, saved_vp_enable = GL_FALSE;
-   GLboolean saved_shader_program = 0;
-   unsigned int saved_active_texture;
-   struct gl_array_object *arraySave = NULL;
-
-   if (!rmesa->clear.arrayObj)
-       radeon_clear_init(ctx);
-
-   assert((mask & ~(TRI_CLEAR_COLOR_BITS | BUFFER_BIT_DEPTH |
-		    BUFFER_BIT_STENCIL)) == 0);
-
-   _mesa_PushAttrib(GL_COLOR_BUFFER_BIT |
-		    GL_DEPTH_BUFFER_BIT |
-		    GL_ENABLE_BIT |
-		    GL_POLYGON_BIT |
-		    GL_STENCIL_BUFFER_BIT |
-		    GL_TRANSFORM_BIT |
-		    GL_CURRENT_BIT);
-   saved_active_texture = ctx->Texture.CurrentUnit;
-
-  /* Disable existing GL state we don't want to apply to a clear. */
-   _mesa_Disable(GL_ALPHA_TEST);
-   _mesa_Disable(GL_BLEND);
-   _mesa_Disable(GL_CULL_FACE);
-   _mesa_Disable(GL_FOG);
-   _mesa_Disable(GL_POLYGON_SMOOTH);
-   _mesa_Disable(GL_POLYGON_STIPPLE);
-   _mesa_Disable(GL_POLYGON_OFFSET_FILL);
-   _mesa_Disable(GL_LIGHTING);
-   _mesa_Disable(GL_CLIP_PLANE0);
-   _mesa_Disable(GL_CLIP_PLANE1);
-   _mesa_Disable(GL_CLIP_PLANE2);
-   _mesa_Disable(GL_CLIP_PLANE3);
-   _mesa_Disable(GL_CLIP_PLANE4);
-   _mesa_Disable(GL_CLIP_PLANE5);
-   _mesa_PolygonMode(GL_FRONT_AND_BACK, GL_FILL);
-   if (ctx->Extensions.ARB_fragment_program && ctx->FragmentProgram.Enabled) {
-      saved_fp_enable = GL_TRUE;
-      _mesa_Disable(GL_FRAGMENT_PROGRAM_ARB);
-   }
-   if (ctx->Extensions.ARB_vertex_program && ctx->VertexProgram.Enabled) {
-      saved_vp_enable = GL_TRUE;
-      _mesa_Disable(GL_VERTEX_PROGRAM_ARB);
-   }
-   if (ctx->Extensions.ARB_shader_objects && ctx->Shader.CurrentProgram) {
-      saved_shader_program = ctx->Shader.CurrentProgram->Name;
-      _mesa_UseProgramObjectARB(0);
-   }
-
-   if (ctx->Texture._EnabledUnits != 0) {
-      int i;
-
-      for (i = 0; i < ctx->Const.MaxTextureUnits; i++) {
-	 _mesa_ActiveTextureARB(GL_TEXTURE0 + i);
-	 _mesa_Disable(GL_TEXTURE_1D);
-	 _mesa_Disable(GL_TEXTURE_2D);
-	 _mesa_Disable(GL_TEXTURE_3D);
-	 if (ctx->Extensions.ARB_texture_cube_map)
-	    _mesa_Disable(GL_TEXTURE_CUBE_MAP_ARB);
-	 if (ctx->Extensions.NV_texture_rectangle)
-	    _mesa_Disable(GL_TEXTURE_RECTANGLE_NV);
-	 if (ctx->Extensions.MESA_texture_array) {
-	    _mesa_Disable(GL_TEXTURE_1D_ARRAY_EXT);
-	    _mesa_Disable(GL_TEXTURE_2D_ARRAY_EXT);
-	 }
-      }
-   }
-
-   /* save current array object, bind our private one */
-   _mesa_reference_array_object(ctx, &arraySave, ctx->Array.ArrayObj);
-   _mesa_reference_array_object(ctx, &ctx->Array.ArrayObj, rmesa->clear.arrayObj);
-
-   radeon_meta_set_passthrough_transform(rmesa);
-
-   for (i = 0; i < 4; i++) {
-      COPY_4FV(rmesa->clear.color[i], ctx->Color.ClearColor);
-   }
-
-   /* convert clear Z from [0,1] to NDC coord in [-1,1] */
-
-   dst_z = -1.0 + 2.0 * ctx->Depth.Clear;
-   /* Prepare the vertices, which are the same regardless of which buffer we're
-    * drawing to.
-    */
-   rmesa->clear.vertices[0][0] = fb->_Xmin;
-   rmesa->clear.vertices[0][1] = fb->_Ymin;
-   rmesa->clear.vertices[0][2] = dst_z;
-   rmesa->clear.vertices[1][0] = fb->_Xmax;
-   rmesa->clear.vertices[1][1] = fb->_Ymin;
-   rmesa->clear.vertices[1][2] = dst_z;
-   rmesa->clear.vertices[2][0] = fb->_Xmax;
-   rmesa->clear.vertices[2][1] = fb->_Ymax;
-   rmesa->clear.vertices[2][2] = dst_z;
-   rmesa->clear.vertices[3][0] = fb->_Xmin;
-   rmesa->clear.vertices[3][1] = fb->_Ymax;
-   rmesa->clear.vertices[3][2] = dst_z;
-
-   while (mask != 0) {
-      GLuint this_mask = 0;
-      GLuint color_bit;
-
-      color_bit = _mesa_ffs(mask & TRI_CLEAR_COLOR_BITS);
-      if (color_bit != 0)
-	 this_mask |= (1 << (color_bit - 1));
-
-      /* Clear depth/stencil in the same pass as color. */
-      this_mask |= (mask & (BUFFER_BIT_DEPTH | BUFFER_BIT_STENCIL));
-
-      /* Select the current color buffer and use the color write mask if
-       * we have one, otherwise don't write any color channels.
-       */
-      if (this_mask & BUFFER_BIT_FRONT_LEFT)
-	 _mesa_DrawBuffer(GL_FRONT_LEFT);
-      else if (this_mask & BUFFER_BIT_BACK_LEFT)
-	 _mesa_DrawBuffer(GL_BACK_LEFT);
-      else if (color_bit != 0)
-	 _mesa_DrawBuffer(GL_COLOR_ATTACHMENT0 +
-			  (color_bit - BUFFER_COLOR0 - 1));
-      else
-	 _mesa_ColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE);
-
-      /* Control writing of the depth clear value to depth. */
-      if (this_mask & BUFFER_BIT_DEPTH) {
-	 _mesa_DepthFunc(GL_ALWAYS);
-	 _mesa_DepthMask(GL_TRUE);
-	 _mesa_Enable(GL_DEPTH_TEST);
-      } else {
-	 _mesa_Disable(GL_DEPTH_TEST);
-	 _mesa_DepthMask(GL_FALSE);
-      }
-
-      /* Control writing of the stencil clear value to stencil. */
-      if (this_mask & BUFFER_BIT_STENCIL) {
-	 _mesa_Enable(GL_STENCIL_TEST);
-	 _mesa_StencilOp(GL_REPLACE, GL_REPLACE, GL_REPLACE);
-	 _mesa_StencilFuncSeparate(GL_FRONT_AND_BACK, GL_ALWAYS, (GLint)ctx->Stencil.Clear,
-				   ctx->Stencil.WriteMask[0]);
-      } else {
-	 _mesa_Disable(GL_STENCIL_TEST);
-      }
-
-      _mesa_DrawArrays(GL_TRIANGLE_FAN, 0, 4);
-
-      mask &= ~this_mask;
-   }
-
-   radeon_meta_restore_transform(rmesa);
-
-   _mesa_ActiveTextureARB(GL_TEXTURE0 + saved_active_texture);
-   if (saved_fp_enable)
-      _mesa_Enable(GL_FRAGMENT_PROGRAM_ARB);
-   if (saved_vp_enable)
-      _mesa_Enable(GL_VERTEX_PROGRAM_ARB);
-
-   if (saved_shader_program)
-      _mesa_UseProgramObjectARB(saved_shader_program);
-
-   _mesa_PopAttrib();
-     /* restore current array object */
-   _mesa_reference_array_object(ctx, &ctx->Array.ArrayObj, arraySave);
-   _mesa_reference_array_object(ctx, &arraySave, NULL);
+   meta_clear_tris(&rmesa->meta, mask);
 }
diff --git a/src/mesa/drivers/dri/radeon/radeon_common.h b/src/mesa/drivers/dri/radeon/radeon_common.h
index ba6c7c57730..cebae18b2d6 100644
--- a/src/mesa/drivers/dri/radeon/radeon_common.h
+++ b/src/mesa/drivers/dri/radeon/radeon_common.h
@@ -5,18 +5,7 @@
 #include "radeon_dma.h"
 #include "radeon_texture.h"
 
-
-#define TRI_CLEAR_COLOR_BITS (BUFFER_BIT_BACK_LEFT |			\
-			      BUFFER_BIT_FRONT_LEFT |			\
-			      BUFFER_BIT_COLOR0 |			\
-			      BUFFER_BIT_COLOR1 |			\
-			      BUFFER_BIT_COLOR2 |			\
-			      BUFFER_BIT_COLOR3 |			\
-			      BUFFER_BIT_COLOR4 |			\
-			      BUFFER_BIT_COLOR5 |			\
-			      BUFFER_BIT_COLOR6 |			\
-			      BUFFER_BIT_COLOR7)
-
+void radeonUserClear(GLcontext *ctx, GLuint mask);
 void radeonRecalcScissorRects(radeonContextPtr radeon);
 void radeonSetCliprects(radeonContextPtr radeon);
 void radeonUpdateScissor( GLcontext *ctx );
diff --git a/src/mesa/drivers/dri/radeon/radeon_common_context.c b/src/mesa/drivers/dri/radeon/radeon_common_context.c
index 828d6477f01..9add50b4cca 100644
--- a/src/mesa/drivers/dri/radeon/radeon_common_context.c
+++ b/src/mesa/drivers/dri/radeon/radeon_common_context.c
@@ -184,6 +184,7 @@ GLboolean radeonInitContext(radeonContextPtr radeon,
 	ctx = radeon->glCtx;
 	driContextPriv->driverPrivate = radeon;
 
+	meta_init_metaops(ctx, &radeon->meta);
 	/* DRI fields */
 	radeon->dri.context = driContextPriv;
 	radeon->dri.screen = sPriv;
@@ -264,7 +265,7 @@ void radeonDestroyContext(__DRIcontextPrivate *driContextPriv )
 		}
 
 		radeonReleaseArrays(radeon->glCtx, ~0);
-
+		meta_destroy_metaops(&radeon->meta);
 		if (radeon->vtbl.free_context)
 			radeon->vtbl.free_context(radeon->glCtx);
 		_swsetup_DestroyContext( radeon->glCtx );
diff --git a/src/mesa/drivers/dri/radeon/radeon_common_context.h b/src/mesa/drivers/dri/radeon/radeon_common_context.h
index 036d2658d98..07ac85fb52d 100644
--- a/src/mesa/drivers/dri/radeon/radeon_common_context.h
+++ b/src/mesa/drivers/dri/radeon/radeon_common_context.h
@@ -13,6 +13,7 @@
 #include "dri_util.h"
 #include "tnl/t_vertex.h"
 
+#include "dri_metaops.h"
 struct radeon_context;
 
 #include "radeon_bocs_wrapper.h"
@@ -476,27 +477,7 @@ struct radeon_context {
     */
    GLboolean is_front_buffer_reading;
 
-   /* info for radeon_clear_tris() */
-   struct {
-      struct gl_array_object *arrayObj;
-      GLfloat vertices[4][3];
-      GLfloat color[4][4];
-   } clear;
-   GLboolean internal_viewport_call;
-
-  struct {
-      struct gl_fragment_program *bitmap_fp;
-      struct gl_vertex_program *passthrough_vp;
-
-      struct gl_fragment_program *saved_fp;
-      GLboolean saved_fp_enable;
-      struct gl_vertex_program *saved_vp;
-      GLboolean saved_vp_enable;
-
-      GLint saved_vp_x, saved_vp_y;
-      GLsizei saved_vp_width, saved_vp_height;
-      GLenum saved_matrix_mode;
-   } meta;
+   struct dri_metaops meta;
 
    struct {
 	   void (*get_lock)(radeonContextPtr radeon);
diff --git a/src/mesa/drivers/dri/radeon/radeon_ioctl.c b/src/mesa/drivers/dri/radeon/radeon_ioctl.c
index 01c45df2dfa..a5e4df79415 100644
--- a/src/mesa/drivers/dri/radeon/radeon_ioctl.c
+++ b/src/mesa/drivers/dri/radeon/radeon_ioctl.c
@@ -445,11 +445,6 @@ void radeonEmitAOS( r100ContextPtr rmesa,
  */
 #define RADEON_MAX_CLEARS	256
 
-static void radeonUserClear(GLcontext *ctx, GLuint mask)
-{
-   radeon_clear_tris(ctx, mask);
-}
-
 static void radeonKernelClear(GLcontext *ctx, GLuint flags)
 {
      r100ContextPtr rmesa = R100_CONTEXT(ctx);