gallium: adapt all code to the renamed depth/stencil formats
[mesa.git] / src / mesa / state_tracker / st_cb_fbo.c
index 73aa65955bad98d7212ee393f294dc4901a3c863..542ab38a50e324d0540d94db9231814da3c2c050 100644 (file)
@@ -37,6 +37,7 @@
 #include "main/context.h"
 #include "main/fbobject.h"
 #include "main/framebuffer.h"
+#include "main/macros.h"
 #include "main/renderbuffer.h"
 
 #include "pipe/p_context.h"
 #include "pipe/p_screen.h"
 #include "st_context.h"
 #include "st_cb_fbo.h"
-#include "st_cb_texture.h"
 #include "st_format.h"
 #include "st_public.h"
 #include "st_texture.h"
+#include "st_manager.h"
 
-#include "util/u_rect.h"
+#include "util/u_format.h"
+#include "util/u_inlines.h"
 
 
-/**
- * Compute the renderbuffer's Red/Green/EtcBit fields from the pipe format.
- */
-static int
-init_renderbuffer_bits(struct st_renderbuffer *strb,
-                       enum pipe_format pipeFormat)
-{
-   struct pipe_format_info info;
-
-   if (!st_get_format_info( pipeFormat, &info )) {
-      assert( 0 );
-   }
-
-   strb->Base._ActualFormat = info.base_format;
-   strb->Base.RedBits = info.red_bits;
-   strb->Base.GreenBits = info.green_bits;
-   strb->Base.BlueBits = info.blue_bits;
-   strb->Base.AlphaBits = info.alpha_bits;
-   strb->Base.DepthBits = info.depth_bits;
-   strb->Base.StencilBits = info.stencil_bits;
-   strb->Base.DataType = st_format_datatype(pipeFormat);
-
-   return info.size;
-}
-
 /**
  * gl_renderbuffer::AllocStorage()
  * This is called to allocate the original drawing surface, and
@@ -87,35 +64,34 @@ st_renderbuffer_alloc_storage(GLcontext * ctx, struct gl_renderbuffer *rb,
                               GLenum internalFormat,
                               GLuint width, GLuint height)
 {
-   struct pipe_context *pipe = ctx->st->pipe;
+   struct pipe_screen *screen = ctx->st->pipe->screen;
    struct st_renderbuffer *strb = st_renderbuffer(rb);
    enum pipe_format format;
 
    if (strb->format != PIPE_FORMAT_NONE)
       format = strb->format;
    else
-      format = st_choose_renderbuffer_format(pipe->screen, internalFormat);
+      format = st_choose_renderbuffer_format(screen, internalFormat);
       
    /* init renderbuffer fields */
    strb->Base.Width  = width;
    strb->Base.Height = height;
-   init_renderbuffer_bits(strb, format);
+   strb->Base.Format = st_pipe_format_to_mesa_format(format);
+   strb->Base.DataType = st_format_datatype(format);
 
    strb->defined = GL_FALSE;  /* undefined contents now */
 
-   if(strb->software) {
-      struct pipe_format_block block;
+   if (strb->software) {
       size_t size;
       
-      _mesa_free(strb->data);
+      free(strb->data);
 
       assert(strb->format != PIPE_FORMAT_NONE);
-      pf_get_block(strb->format, &block);
       
-      strb->stride = pf_get_stride(&block, width);
-      size = pf_get_2d_size(&block, strb->stride, height);
+      strb->stride = util_format_get_stride(strb->format, width);
+      size = util_format_get_2d_size(strb->format, strb->stride, height);
       
-      strb->data = _mesa_malloc(size);
+      strb->data = malloc(size);
       
       return strb->data != NULL;
    }
@@ -127,19 +103,19 @@ st_renderbuffer_alloc_storage(GLcontext * ctx, struct gl_renderbuffer *rb,
        */
       pipe_surface_reference( &strb->surface, NULL );
       pipe_texture_reference( &strb->texture, NULL );
+      pipe_sampler_view_reference(&strb->sampler_view, NULL);
 
       /* Setup new texture template.
        */
       memset(&template, 0, sizeof(template));
       template.target = PIPE_TEXTURE_2D;
       template.format = format;
-      pf_get_block(format, &template.block);
-      template.width[0] = width;
-      template.height[0] = height;
-      template.depth[0] = 1;
+      template.width0 = width;
+      template.height0 = height;
+      template.depth0 = 1;
       template.last_level = 0;
       template.nr_samples = rb->NumSamples;
-      if (pf_is_depth_stencil(format)) {
+      if (util_format_is_depth_or_stencil(format)) {
          template.tex_usage = PIPE_TEXTURE_USAGE_DEPTH_STENCIL;
       }
       else {
@@ -156,16 +132,15 @@ st_renderbuffer_alloc_storage(GLcontext * ctx, struct gl_renderbuffer *rb,
                        PIPE_BUFFER_USAGE_CPU_WRITE);
 #endif
 
-      strb->texture = pipe->screen->texture_create( pipe->screen,
-                                                    &template );
+      strb->texture = screen->texture_create(screen, &template);
 
       if (!strb->texture) 
          return FALSE;
 
-      strb->surface = pipe->screen->get_tex_surface( pipe->screen,
-                                                     strb->texture,
-                                                     0, 0, 0,
-                                                     surface_usage );
+      strb->surface = screen->get_tex_surface(screen,
+                                              strb->texture,
+                                              0, 0, 0,
+                                              surface_usage);
       if (strb->surface) {
          assert(strb->surface->texture);
          assert(strb->surface->format);
@@ -188,8 +163,9 @@ st_renderbuffer_delete(struct gl_renderbuffer *rb)
    ASSERT(strb);
    pipe_surface_reference(&strb->surface, NULL);
    pipe_texture_reference(&strb->texture, NULL);
-   _mesa_free(strb->data);
-   _mesa_free(strb);
+   pipe_sampler_view_reference(&strb->sampler_view, NULL);
+   free(strb->data);
+   free(strb);
 }
 
 
@@ -258,48 +234,43 @@ st_new_renderbuffer_fb(enum pipe_format format, int samples, boolean sw)
    _mesa_init_renderbuffer(&strb->Base, 0);
    strb->Base.ClassID = 0x4242; /* just a unique value */
    strb->Base.NumSamples = samples;
+   strb->Base.Format = st_pipe_format_to_mesa_format(format);
+   strb->Base.DataType = st_format_datatype(format);
    strb->format = format;
-   init_renderbuffer_bits(strb, format);
    strb->software = sw;
    
    switch (format) {
-   case PIPE_FORMAT_A8R8G8B8_UNORM:
    case PIPE_FORMAT_B8G8R8A8_UNORM:
-   case PIPE_FORMAT_X8R8G8B8_UNORM:
+   case PIPE_FORMAT_A8R8G8B8_UNORM:
    case PIPE_FORMAT_B8G8R8X8_UNORM:
-   case PIPE_FORMAT_A1R5G5B5_UNORM:
-   case PIPE_FORMAT_A4R4G4B4_UNORM:
-   case PIPE_FORMAT_R5G6B5_UNORM:
+   case PIPE_FORMAT_X8R8G8B8_UNORM:
+   case PIPE_FORMAT_B5G5R5A1_UNORM:
+   case PIPE_FORMAT_B4G4R4A4_UNORM:
+   case PIPE_FORMAT_B5G6R5_UNORM:
       strb->Base.InternalFormat = GL_RGBA;
-      strb->Base._BaseFormat = GL_RGBA;
       break;
    case PIPE_FORMAT_Z16_UNORM:
       strb->Base.InternalFormat = GL_DEPTH_COMPONENT16;
-      strb->Base._BaseFormat = GL_DEPTH_COMPONENT;
       break;
    case PIPE_FORMAT_Z32_UNORM:
       strb->Base.InternalFormat = GL_DEPTH_COMPONENT32;
-      strb->Base._BaseFormat = GL_DEPTH_COMPONENT;
       break;
-   case PIPE_FORMAT_S8Z24_UNORM:
-   case PIPE_FORMAT_Z24S8_UNORM:
-   case PIPE_FORMAT_X8Z24_UNORM:
+   case PIPE_FORMAT_Z24_UNORM_S8_USCALED:
+   case PIPE_FORMAT_S8_USCALED_Z24_UNORM:
    case PIPE_FORMAT_Z24X8_UNORM:
+   case PIPE_FORMAT_X8Z24_UNORM:
       strb->Base.InternalFormat = GL_DEPTH24_STENCIL8_EXT;
-      strb->Base._BaseFormat = GL_DEPTH_STENCIL_EXT;
       break;
-   case PIPE_FORMAT_S8_UNORM:
+   case PIPE_FORMAT_S8_USCALED:
       strb->Base.InternalFormat = GL_STENCIL_INDEX8_EXT;
-      strb->Base._BaseFormat = GL_STENCIL_INDEX;
       break;
    case PIPE_FORMAT_R16G16B16A16_SNORM:
       strb->Base.InternalFormat = GL_RGBA16;
-      strb->Base._BaseFormat = GL_RGBA;
       break;
    default:
       _mesa_problem(NULL,
                    "Unexpected format in st_new_renderbuffer_fb");
-      _mesa_free(strb);
+      free(strb);
       return NULL;
    }
 
@@ -354,12 +325,17 @@ st_render_texture(GLcontext *ctx,
    struct gl_renderbuffer *rb;
    struct pipe_texture *pt = st_get_texobj_texture(att->Texture);
    struct st_texture_object *stObj;
-   const struct gl_texture_image *texImage =
-      att->Texture->Image[att->CubeMapFace][att->TextureLevel];
+   const struct gl_texture_image *texImage;
+   GLint pt_level;
 
+   /* When would this fail?  Perhaps assert? */
    if (!pt) 
       return;
 
+   /* The first gallium texture level = Mesa BaseLevel */
+   pt_level = MAX2(0, (GLint) att->TextureLevel - att->Texture->BaseLevel);
+   texImage = att->Texture->Image[att->CubeMapFace][pt_level];
+
    /* create new renderbuffer which wraps the texture image */
    rb = st_new_renderbuffer(ctx, 0);
    if (!rb) {
@@ -379,7 +355,7 @@ st_render_texture(GLcontext *ctx,
 
    /* point renderbuffer at texobject */
    strb->rtt = stObj;
-   strb->rtt_level = att->TextureLevel;
+   strb->rtt_level = pt_level;
    strb->rtt_face = att->CubeMapFace;
    strb->rtt_slice = att->Zoffset;
 
@@ -388,12 +364,16 @@ st_render_texture(GLcontext *ctx,
    rb->_BaseFormat = texImage->_BaseFormat;
    /*printf("***** render to texture level %d: %d x %d\n", att->TextureLevel, rb->Width, rb->Height);*/
 
-   /*printf("***** pipe texture %d x %d\n", pt->width[0], pt->height[0]);*/
+   /*printf("***** pipe texture %d x %d\n", pt->width0, pt->height0);*/
 
    pipe_texture_reference( &strb->texture, pt );
 
    pipe_surface_reference(&strb->surface, NULL);
 
+   pipe_sampler_view_reference(&strb->sampler_view, st_get_stobj_sampler_view(stObj));
+
+   assert(strb->rtt_level <= strb->texture->last_level);
+
    /* new surface for rendering into the texture */
    strb->surface = screen->get_tex_surface(screen,
                                            strb->texture,
@@ -403,7 +383,10 @@ st_render_texture(GLcontext *ctx,
                                            PIPE_BUFFER_USAGE_GPU_READ |
                                            PIPE_BUFFER_USAGE_GPU_WRITE);
 
-   init_renderbuffer_bits(strb, pt->format);
+   strb->format = pt->format;
+
+   strb->Base.Format = st_pipe_format_to_mesa_format(pt->format);
+   strb->Base.DataType = st_format_datatype(pt->format);
 
    /*
    printf("RENDER TO TEXTURE obj=%p pt=%p surf=%p  %d x %d\n",
@@ -433,17 +416,12 @@ st_finish_render_texture(GLcontext *ctx,
 
    st_flush( ctx->st, PIPE_FLUSH_RENDER_CACHE, NULL );
 
-   if (strb->surface)
-      pipe_surface_reference( &strb->surface, NULL );
-
    strb->rtt = NULL;
 
    /*
    printf("FINISH RENDER TO TEXTURE surf=%p\n", strb->surface);
    */
 
-   _mesa_reference_renderbuffer(&att->Renderbuffer, NULL);
-
    /* restore previous framebuffer state */
    st_invalidate_state(ctx, _NEW_BUFFERS);
 }
@@ -539,17 +517,10 @@ copy_back_to_front(struct st_context *st,
    (void) st_get_framebuffer_surface(stfb, backIndex, &surf_back);
 
    if (surf_front && surf_back) {
-      if (st->pipe->surface_copy) {
-         st->pipe->surface_copy(st->pipe,
-                                surf_front, 0, 0,  /* dest */
-                                surf_back, 0, 0,   /* src */
-                                fb->Width, fb->Height);
-      } else {
-         util_surface_copy(st->pipe, FALSE,
-                           surf_front, 0, 0,
-                           surf_back, 0, 0,
-                           fb->Width, fb->Height);
-      }
+      st->pipe->surface_copy(st->pipe,
+                             surf_front, 0, 0,  /* dest */
+                             surf_back, 0, 0,   /* src */
+                             fb->Width, fb->Height);
    }
 }
 
@@ -640,8 +611,18 @@ check_create_front_buffers(GLcontext *ctx, struct gl_framebuffer *fb)
 static void
 st_DrawBuffers(GLcontext *ctx, GLsizei count, const GLenum *buffers)
 {
+   GLframebuffer *fb = ctx->DrawBuffer;
+   GLuint i;
+
    (void) count;
    (void) buffers;
+
+   /* add the renderbuffers on demand */
+   for (i = 0; i < fb->_NumColorDrawBuffers; i++) {
+      gl_buffer_index idx = fb->_ColorDrawBufferIndexes[i];
+      st_manager_add_color_renderbuffer(ctx->st, fb, idx);
+   }
+
    check_create_front_buffers(ctx, ctx->DrawBuffer);
 }
 
@@ -652,8 +633,13 @@ st_DrawBuffers(GLcontext *ctx, GLsizei count, const GLenum *buffers)
 static void
 st_ReadBuffer(GLcontext *ctx, GLenum buffer)
 {
+   GLframebuffer *fb = ctx->ReadBuffer;
+
    (void) buffer;
-   check_create_front_buffers(ctx, ctx->ReadBuffer);
+
+   /* add the renderbuffer on demand */
+   st_manager_add_color_renderbuffer(ctx->st, fb, fb->_ColorReadBufferIndex);
+   check_create_front_buffers(ctx, fb);
 }
 
 
@@ -673,3 +659,14 @@ void st_init_fbo_functions(struct dd_function_table *functions)
    functions->DrawBuffers = st_DrawBuffers;
    functions->ReadBuffer = st_ReadBuffer;
 }
+
+struct pipe_sampler_view *
+st_renderbuffer_get_sampler_view(struct st_renderbuffer *rb,
+                                 struct pipe_context *pipe)
+{
+   if (!rb->sampler_view) {
+      rb->sampler_view = st_sampler_view_from_texture(pipe, rb->texture);
+   }
+
+   return rb->sampler_view;
+}