tgsi: add caps for fragment coord conventions (v3)
[mesa.git] / src / gallium / drivers / r300 / r300_screen.c
index 390b63007e5f2ee50660de39c6dc165382a00d19..f311284d15df2e412d79f8b861527d53b54b1ebc 100644 (file)
  * USE OR OTHER DEALINGS IN THE SOFTWARE. */
 
 #include "pipe/p_inlines.h"
+#include "util/u_format.h"
 #include "util/u_memory.h"
 #include "util/u_simple_screen.h"
 
 #include "r300_context.h"
 #include "r300_screen.h"
 #include "r300_texture.h"
-#include "r300_winsys.h"
+
+#include "radeon_winsys.h"
 
 /* Return the identifier behind whom the brave coders responsible for this
  * amalgamation of code, sweat, and duct tape, routinely obscure their names.
@@ -81,6 +83,7 @@ static int r300_get_param(struct pipe_screen* pscreen, int param)
 
     switch (param) {
         case PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS:
+        case PIPE_CAP_MAX_COMBINED_SAMPLERS:
             /* XXX I'm told this goes up to 16 */
             return 8;
         case PIPE_CAP_NPOT_TEXTURES:
@@ -110,6 +113,9 @@ static int r300_get_param(struct pipe_screen* pscreen, int param)
              * ~ C.
              */
             return 1;
+        case PIPE_CAP_DUAL_SOURCE_BLEND:
+            /* XXX need to figure out how to do it */
+            return 0;
         case PIPE_CAP_ANISOTROPIC_FILTER:
             return 1;
         case PIPE_CAP_POINT_SPRITE:
@@ -140,6 +146,22 @@ static int r300_get_param(struct pipe_screen* pscreen, int param)
             return 0;
         case PIPE_CAP_BLEND_EQUATION_SEPARATE:
             return 1;
+        case PIPE_CAP_SM3:
+            if (r300screen->caps->is_r500) {
+                return 1;
+            } else {
+                return 0;
+            }
+        case PIPE_CAP_INDEP_BLEND_ENABLE:
+            return 1;
+        case PIPE_CAP_INDEP_BLEND_FUNC:
+            return 0;
+        case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
+        case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
+           return 1;
+        case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
+        case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
+            return 0;
         default:
             debug_printf("r300: Implementation error: Bad param %d\n",
                 param);
@@ -174,10 +196,20 @@ static float r300_get_paramf(struct pipe_screen* pscreen, int param)
     }
 }
 
-static boolean check_tex_format(enum pipe_format format, uint32_t usage,
-                                boolean is_r500)
+static boolean r300_is_format_supported(struct pipe_screen* screen,
+                                        enum pipe_format format,
+                                        enum pipe_texture_target target,
+                                        unsigned usage,
+                                        unsigned geom_flags)
 {
     uint32_t retval = 0;
+    boolean is_r500 = r300_screen(screen)->caps->is_r500;
+
+    if (target >= PIPE_MAX_TEXTURE_TYPES) {
+        debug_printf("r300: Implementation error: Received bogus texture "
+            "target %d in %s\n", target, __FUNCTION__);
+        return FALSE;
+    }
 
     switch (format) {
         /* Supported formats. */
@@ -200,6 +232,7 @@ static boolean check_tex_format(enum pipe_format format, uint32_t usage,
         case PIPE_FORMAT_DXT5_RGBA:
         case PIPE_FORMAT_YCBCR:
         case PIPE_FORMAT_L8_UNORM:
+        case PIPE_FORMAT_A8_UNORM:
         case PIPE_FORMAT_A8L8_UNORM:
             retval = usage & PIPE_TEXTURE_USAGE_SAMPLER;
             break;
@@ -219,12 +252,18 @@ static boolean check_tex_format(enum pipe_format format, uint32_t usage,
 
         /* Z buffer or texture */
         case PIPE_FORMAT_Z16_UNORM:
+            retval = usage &
+                (PIPE_TEXTURE_USAGE_DEPTH_STENCIL |
+                 PIPE_TEXTURE_USAGE_SAMPLER);
+            break;
+
+        /* 24bit Z buffer can only be used as a texture on R500. */
         case PIPE_FORMAT_Z24X8_UNORM:
         /* Z buffer with stencil or texture */
         case PIPE_FORMAT_Z24S8_UNORM:
             retval = usage &
                 (PIPE_TEXTURE_USAGE_DEPTH_STENCIL |
-                 PIPE_TEXTURE_USAGE_SAMPLER);
+                 (is_r500 ? PIPE_TEXTURE_USAGE_SAMPLER : 0));
             break;
 
         /* Definitely unsupported formats. */
@@ -232,28 +271,13 @@ static boolean check_tex_format(enum pipe_format format, uint32_t usage,
         case PIPE_FORMAT_Z32_UNORM:
         case PIPE_FORMAT_S8Z24_UNORM:
         case PIPE_FORMAT_X8Z24_UNORM:
-            debug_printf("r300: Note: Got unsupported format: %s in %s\n",
-                pf_name(format), __FUNCTION__);
+            SCREEN_DBG(r300_screen(screen), DBG_TEX,
+                       "r300: Note: Got unsupported format: %s in %s\n",
+                       pf_name(format), __FUNCTION__);
             return FALSE;
 
-        /* XXX These don't even exist
-        case PIPE_FORMAT_A32R32G32B32:
-        case PIPE_FORMAT_A16R16G16B16: */
-        /* XXX What the deuce is UV88? (r3xx accel page 14)
-            debug_printf("r300: Warning: Got unimplemented format: %s in %s\n",
-                pf_name(format), __FUNCTION__);
-            return FALSE; */
-
-        /* XXX Supported yet unimplemented r5xx formats: */
-        /* XXX Again, what is UV1010 this time? (r5xx accel page 148) */
-        /* XXX Even more that don't exist
-        case PIPE_FORMAT_A10R10G10B10_UNORM:
-        case PIPE_FORMAT_A2R10G10B10_UNORM:
-        case PIPE_FORMAT_I10_UNORM:
-            debug_printf(
-                "r300: Warning: Got unimplemented r500 format: %s in %s\n",
-                pf_name(format), __FUNCTION__);
-            return FALSE; */
+        /* XXX Add all remaining gallium-supported formats,
+         * see util/u_format.csv. */
 
         default:
             /* Unknown format... */
@@ -271,30 +295,6 @@ static boolean check_tex_format(enum pipe_format format, uint32_t usage,
     return (retval >= usage);
 }
 
-static boolean r300_is_format_supported(struct pipe_screen* pscreen,
-                                        enum pipe_format format,
-                                        enum pipe_texture_target target,
-                                        unsigned tex_usage,
-                                        unsigned geom_flags)
-{
-    switch (target) {
-        case PIPE_TEXTURE_1D:   /* handle 1D textures as 2D ones */
-        case PIPE_TEXTURE_2D:
-        case PIPE_TEXTURE_3D:
-        case PIPE_TEXTURE_CUBE:
-            return check_tex_format(format, tex_usage,
-                r300_screen(pscreen)->caps->is_r500);
-
-        default:
-            debug_printf("r300: Fatal: This is not a format target: %d\n",
-                target);
-            assert(0);
-            break;
-    }
-
-    return FALSE;
-}
-
 static struct pipe_transfer*
 r300_get_tex_transfer(struct pipe_screen *screen,
                       struct pipe_texture *texture,
@@ -304,6 +304,7 @@ r300_get_tex_transfer(struct pipe_screen *screen,
 {
     struct r300_texture *tex = (struct r300_texture *)texture;
     struct r300_transfer *trans;
+    struct r300_screen *rscreen = r300_screen(screen);
     unsigned offset;
 
     offset = r300_texture_get_offset(tex, level, zslice, face);  /* in bytes */
@@ -311,19 +312,12 @@ r300_get_tex_transfer(struct pipe_screen *screen,
     trans = CALLOC_STRUCT(r300_transfer);
     if (trans) {
         pipe_texture_reference(&trans->transfer.texture, texture);
-        trans->transfer.format = texture->format;
         trans->transfer.x = x;
         trans->transfer.y = y;
         trans->transfer.width = w;
         trans->transfer.height = h;
-        trans->transfer.block = texture->block;
-        trans->transfer.nblocksx = texture->nblocksx[level];
-        trans->transfer.nblocksy = texture->nblocksy[level];
-        trans->transfer.stride = r300_texture_get_stride(tex, level);
+        trans->transfer.stride = r300_texture_get_stride(rscreen, tex, level);
         trans->transfer.usage = usage;
-
-        /* XXX not sure whether it's required to set these two,
-               the driver doesn't use them */
         trans->transfer.zslice = zslice;
         trans->transfer.face = face;
 
@@ -344,6 +338,7 @@ static void* r300_transfer_map(struct pipe_screen* screen,
 {
     struct r300_texture* tex = (struct r300_texture*)transfer->texture;
     char* map;
+    enum pipe_format format = tex->tex.format;
 
     map = pipe_buffer_map(screen, tex->buffer,
                           pipe_transfer_buffer_flags(transfer));
@@ -353,8 +348,8 @@ static void* r300_transfer_map(struct pipe_screen* screen,
     }
 
     return map + r300_transfer(transfer)->offset +
-        transfer->y / transfer->block.height * transfer->stride +
-        transfer->x / transfer->block.width * transfer->block.size;
+        transfer->y / util_format_get_blockheight(format) * transfer->stride +
+        transfer->x / util_format_get_blockwidth(format) * util_format_get_blocksize(format);
 }
 
 static void r300_transfer_unmap(struct pipe_screen* screen,
@@ -372,7 +367,7 @@ static void r300_destroy_screen(struct pipe_screen* pscreen)
     FREE(r300screen);
 }
 
-struct pipe_screen* r300_create_screen(struct r300_winsys* r300_winsys)
+struct pipe_screen* r300_create_screen(struct radeon_winsys* radeon_winsys)
 {
     struct r300_screen* r300screen = CALLOC_STRUCT(r300_screen);
     struct r300_capabilities* caps = CALLOC_STRUCT(r300_capabilities);
@@ -380,14 +375,15 @@ struct pipe_screen* r300_create_screen(struct r300_winsys* r300_winsys)
     if (!r300screen || !caps)
         return NULL;
 
-    caps->pci_id = r300_winsys->pci_id;
-    caps->num_frag_pipes = r300_winsys->gb_pipes;
-    caps->num_z_pipes = r300_winsys->z_pipes;
+    caps->pci_id = radeon_winsys->pci_id;
+    caps->num_frag_pipes = radeon_winsys->gb_pipes;
+    caps->num_z_pipes = radeon_winsys->z_pipes;
 
+    r300_init_debug(r300screen);
     r300_parse_chipset(caps);
 
     r300screen->caps = caps;
-    r300screen->screen.winsys = (struct pipe_winsys*)r300_winsys;
+    r300screen->screen.winsys = (struct pipe_winsys*)radeon_winsys;
     r300screen->screen.destroy = r300_destroy_screen;
     r300screen->screen.get_name = r300_get_name;
     r300screen->screen.get_vendor = r300_get_vendor;