st/mesa: fix incorrect RowStride computation
[mesa.git] / src / gallium / state_trackers / dri / dri_screen.c
index 5f78b7264af49b89c34492ce7c556afe19a8e139..7ccad8f5dd6c52468c057e0075048c0e558f3135 100644 (file)
 #include "dri_context.h"
 #include "dri_drawable.h"
 
-#include "pipe/p_context.h"
 #include "pipe/p_screen.h"
-#include "pipe/p_inlines.h"
 #include "pipe/p_format.h"
 #include "state_tracker/drm_api.h"
 #include "state_tracker/dri1_api.h"
-#include "state_tracker/st_public.h"
-#include "state_tracker/st_cb_fbo.h"
+
+#include "util/u_debug.h"
 
 PUBLIC const char __driConfigOptions[] =
    DRI_CONF_BEGIN DRI_CONF_SECTION_PERFORMANCE
@@ -57,12 +55,31 @@ PUBLIC const char __driConfigOptions[] =
 
    const uint __driNConfigOptions = 3;
 
+static const __DRItexBufferExtension dri2TexBufferExtension = {
+    { __DRI_TEX_BUFFER, __DRI_TEX_BUFFER_VERSION },
+   dri2_set_tex_buffer,
+   dri2_set_tex_buffer2,
+};
+
+static void
+dri2_flush_drawable(__DRIdrawable *draw)
+{
+}
+
+static const __DRI2flushExtension dri2FlushExtension = {
+    { __DRI2_FLUSH, __DRI2_FLUSH_VERSION },
+    dri2_flush_drawable,
+    dri2InvalidateDrawable,
+};
+
    static const __DRIextension *dri_screen_extensions[] = {
       &driReadDrawableExtension,
       &driCopySubBufferExtension.base,
       &driSwapControlExtension.base,
       &driFrameTrackingExtension.base,
       &driMediaStreamCounterExtension.base,
+      &dri2TexBufferExtension.base,
+      &dri2FlushExtension.base,
       NULL
    };
 
@@ -72,17 +89,20 @@ static const __DRIconfig **
 dri_fill_in_modes(struct dri_screen *screen,
                  unsigned pixel_bits)
 {
-   __DRIconfig **configs;
+   __DRIconfig **configs = NULL;
+   __DRIconfig **configs_r5g6b5 = NULL;
+   __DRIconfig **configs_a8r8g8b8 = NULL;
+   __DRIconfig **configs_x8r8g8b8 = NULL;
    unsigned num_modes;
-   uint8_t depth_bits_array[4];
-   uint8_t stencil_bits_array[4];
-   uint8_t msaa_samples_array[1];
+   uint8_t depth_bits_array[5];
+   uint8_t stencil_bits_array[5];
+   uint8_t msaa_samples_array[2];
    unsigned depth_buffer_factor;
    unsigned back_buffer_factor;
    unsigned msaa_samples_factor;
-   GLenum fb_format;
-   GLenum fb_type;
    struct pipe_screen *p_screen = screen->pipe_screen;
+   boolean pf_r5g6b5, pf_a8r8g8b8, pf_x8r8g8b8;
+   boolean pf_z16, pf_x8z24, pf_z24x8, pf_s8z24, pf_z24s8, pf_z32;
 
    static const GLenum back_buffer_modes[] = {
       GLX_NONE, GLX_SWAP_UNDEFINED_OML, GLX_SWAP_COPY_OML
@@ -92,84 +112,127 @@ dri_fill_in_modes(struct dri_screen *screen,
    stencil_bits_array[0] = 0;
    depth_buffer_factor = 1;
 
-   if (p_screen->is_format_supported(p_screen, PIPE_FORMAT_Z16_UNORM,
-                                    PIPE_TEXTURE_2D,
-                                    PIPE_TEXTURE_USAGE_DEPTH_STENCIL, 0)) {
+   pf_x8z24 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_Z24X8_UNORM,
+                                           PIPE_TEXTURE_2D,
+                                           PIPE_TEXTURE_USAGE_DEPTH_STENCIL, 0);
+   pf_z24x8 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_X8Z24_UNORM,
+                                           PIPE_TEXTURE_2D,
+                                           PIPE_TEXTURE_USAGE_DEPTH_STENCIL, 0);
+   pf_s8z24 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_Z24S8_UNORM,
+                                           PIPE_TEXTURE_2D,
+                                           PIPE_TEXTURE_USAGE_DEPTH_STENCIL, 0);
+   pf_z24s8 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_S8Z24_UNORM,
+                                           PIPE_TEXTURE_2D,
+                                           PIPE_TEXTURE_USAGE_DEPTH_STENCIL, 0);
+   pf_a8r8g8b8 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_B8G8R8A8_UNORM,
+                                              PIPE_TEXTURE_2D,
+                                              PIPE_TEXTURE_USAGE_RENDER_TARGET, 0);
+   pf_x8r8g8b8 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_B8G8R8X8_UNORM,
+                                              PIPE_TEXTURE_2D,
+                                              PIPE_TEXTURE_USAGE_RENDER_TARGET, 0);
+   pf_r5g6b5 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_B5G6R5_UNORM,
+                                            PIPE_TEXTURE_2D,
+                                            PIPE_TEXTURE_USAGE_RENDER_TARGET, 0);
+
+   /* We can only get a 16 or 32 bit depth buffer with getBuffersWithFormat */
+   if (screen->sPriv->dri2.loader &&
+       (screen->sPriv->dri2.loader->base.version > 2) &&
+       (screen->sPriv->dri2.loader->getBuffersWithFormat != NULL)) {
+      pf_z16 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_Z16_UNORM,
+                                             PIPE_TEXTURE_2D,
+                                             PIPE_TEXTURE_USAGE_DEPTH_STENCIL, 0);
+      pf_z32 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_Z32_UNORM,
+                                             PIPE_TEXTURE_2D,
+                                             PIPE_TEXTURE_USAGE_DEPTH_STENCIL, 0);
+   } else {
+      pf_z16 = FALSE;
+      pf_z32 = FALSE;
+   }
+
+   if (pf_z16) {
       depth_bits_array[depth_buffer_factor] = 16;
       stencil_bits_array[depth_buffer_factor++] = 0;
    }
-   if (p_screen->is_format_supported(p_screen, PIPE_FORMAT_X8Z24_UNORM,
-                                    PIPE_TEXTURE_2D,
-                                    PIPE_TEXTURE_USAGE_DEPTH_STENCIL, 0)) {
+   if (pf_x8z24 || pf_z24x8) {
       depth_bits_array[depth_buffer_factor] = 24;
       stencil_bits_array[depth_buffer_factor++] = 0;
-      screen->d_depth_bits_last = TRUE;
-   } else if (p_screen->is_format_supported(p_screen, PIPE_FORMAT_Z24X8_UNORM,
-                                           PIPE_TEXTURE_2D,
-                                           PIPE_TEXTURE_USAGE_DEPTH_STENCIL,
-                                           0)) {
-      depth_bits_array[depth_buffer_factor] = 24;
-      stencil_bits_array[depth_buffer_factor++] = 0;
-      screen->d_depth_bits_last = FALSE;
+      screen->d_depth_bits_last = pf_x8z24;
    }
-   if (p_screen->is_format_supported(p_screen, PIPE_FORMAT_S8Z24_UNORM,
-                                    PIPE_TEXTURE_2D,
-                                    PIPE_TEXTURE_USAGE_DEPTH_STENCIL, 0)) {
-      depth_bits_array[depth_buffer_factor] = 24;
-      stencil_bits_array[depth_buffer_factor++] = 8;
-      screen->sd_depth_bits_last = TRUE;
-   } else if (p_screen->is_format_supported(p_screen, PIPE_FORMAT_Z24S8_UNORM,
-                                           PIPE_TEXTURE_2D,
-                                           PIPE_TEXTURE_USAGE_DEPTH_STENCIL,
-                                           0)) {
+   if (pf_s8z24 || pf_z24s8) {
       depth_bits_array[depth_buffer_factor] = 24;
       stencil_bits_array[depth_buffer_factor++] = 8;
-      screen->sd_depth_bits_last = FALSE;
+      screen->sd_depth_bits_last = pf_s8z24;
+   }
+   if (pf_z32) {
+      depth_bits_array[depth_buffer_factor] = 32;
+      stencil_bits_array[depth_buffer_factor++] = 0;
    }
 
    msaa_samples_array[0] = 0;
+   msaa_samples_array[1] = 4;
    back_buffer_factor = 3;
-   msaa_samples_factor = 1;
+   msaa_samples_factor = 2;
 
    num_modes =
       depth_buffer_factor * back_buffer_factor * msaa_samples_factor * 4;
 
+   if (pf_r5g6b5)
+      configs_r5g6b5 = driCreateConfigs(GL_RGB, GL_UNSIGNED_SHORT_5_6_5,
+                                        depth_bits_array, stencil_bits_array,
+                                        depth_buffer_factor, back_buffer_modes,
+                                        back_buffer_factor,
+                                        msaa_samples_array, msaa_samples_factor,
+                                        GL_TRUE);
+
+   if (pf_a8r8g8b8)
+      configs_a8r8g8b8 = driCreateConfigs(GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV,
+                                          depth_bits_array,
+                                          stencil_bits_array,
+                                          depth_buffer_factor,
+                                          back_buffer_modes,
+                                          back_buffer_factor,
+                                          msaa_samples_array,
+                                          msaa_samples_factor,
+                                          GL_TRUE);
+
+   if (pf_x8r8g8b8)
+      configs_x8r8g8b8 = driCreateConfigs(GL_BGR, GL_UNSIGNED_INT_8_8_8_8_REV,
+                                          depth_bits_array,
+                                          stencil_bits_array,
+                                          depth_buffer_factor,
+                                          back_buffer_modes,
+                                          back_buffer_factor,
+                                          msaa_samples_array,
+                                          msaa_samples_factor,
+                                          GL_TRUE);
+
    if (pixel_bits == 16) {
-      if (!p_screen->is_format_supported(p_screen,
-                                        PIPE_FORMAT_R5G6B5_UNORM,
-                                        PIPE_TEXTURE_2D,
-                                        PIPE_TEXTURE_USAGE_RENDER_TARGET, 0))
-        return NULL;
-      fb_format = GL_RGB;
-      fb_type = GL_UNSIGNED_SHORT_5_6_5;
+      configs = configs_r5g6b5;
+      if (configs_a8r8g8b8)
+         configs = configs ? driConcatConfigs(configs, configs_a8r8g8b8) : configs_a8r8g8b8;
+      if (configs_x8r8g8b8)
+        configs = configs ? driConcatConfigs(configs, configs_x8r8g8b8) : configs_x8r8g8b8;
    } else {
-      if (!p_screen->is_format_supported(p_screen,
-                                        PIPE_FORMAT_A8R8G8B8_UNORM,
-                                        PIPE_TEXTURE_2D,
-                                        PIPE_TEXTURE_USAGE_RENDER_TARGET, 0))
-        return NULL;
-      fb_format = GL_BGRA;
-      fb_type = GL_UNSIGNED_INT_8_8_8_8_REV;
+      configs = configs_a8r8g8b8;
+      if (configs_x8r8g8b8)
+        configs = configs ? driConcatConfigs(configs, configs_x8r8g8b8) : configs_x8r8g8b8;
+      if (configs_r5g6b5)
+         configs = configs ? driConcatConfigs(configs, configs_r5g6b5) : configs_r5g6b5;
    }
 
-   configs = driCreateConfigs(fb_format, fb_type,
-                             depth_bits_array,
-                             stencil_bits_array, depth_buffer_factor,
-                             back_buffer_modes, back_buffer_factor,
-                             msaa_samples_array, msaa_samples_factor);
    if (configs == NULL) {
       debug_printf("%s: driCreateConfigs failed\n", __FUNCTION__);
       return NULL;
    }
 
-   return (const const __DRIconfig **)configs;
+   return (const __DRIconfig **)configs;
 }
 
 /**
  * Get information about previous buffer swaps.
  */
 static int
-dri_get_swap_info(__DRIdrawablePrivate * dPriv, __DRIswapInfo * sInfo)
+dri_get_swap_info(__DRIdrawable * dPriv, __DRIswapInfo * sInfo)
 {
    if (dPriv == NULL || dPriv->driverPrivate == NULL || sInfo == NULL)
       return -1;
@@ -187,14 +250,12 @@ dri_copy_version(struct dri1_api_version *dst,
 }
 
 static const __DRIconfig **
-dri_init_screen(__DRIscreenPrivate * sPriv)
+dri_init_screen(__DRIscreen * sPriv)
 {
    struct dri_screen *screen;
    const __DRIconfig **configs;
    struct dri1_create_screen_arg arg;
 
-   dri_init_extensions(NULL);
-
    screen = CALLOC_STRUCT(dri_screen);
    if (!screen)
       return NULL;
@@ -254,13 +315,12 @@ dri_init_screen(__DRIscreenPrivate * sPriv)
  * Returns the __GLcontextModes supported by this driver.
  */
 static const __DRIconfig **
-dri_init_screen2(__DRIscreenPrivate * sPriv)
+dri_init_screen2(__DRIscreen * sPriv)
 {
    struct dri_screen *screen;
    struct drm_create_screen_arg arg;
-
-   /* Set up dispatch table to cope with all known extensions */
-   dri_init_extensions(NULL);
+   const __DRIdri2LoaderExtension *dri2_ext =
+     sPriv->dri2.loader;
 
    screen = CALLOC_STRUCT(dri_screen);
    if (!screen)
@@ -280,22 +340,36 @@ dri_init_screen2(__DRIscreenPrivate * sPriv)
    }
 
    /* We need to hook in here */
+   screen->pipe_screen->update_buffer = dri_update_buffer;
    screen->pipe_screen->flush_frontbuffer = dri_flush_frontbuffer;
 
    driParseOptionInfo(&screen->optionCache,
                      __driConfigOptions, __driNConfigOptions);
 
+   screen->auto_fake_front = dri2_ext->base.version >= 3 &&
+      dri2_ext->getBuffersWithFormat != NULL;
+
    return dri_fill_in_modes(screen, 32);
  fail:
    return NULL;
 }
 
 static void
-dri_destroy_screen(__DRIscreenPrivate * sPriv)
+dri_destroy_screen(__DRIscreen * sPriv)
 {
    struct dri_screen *screen = dri_screen(sPriv);
+   int i;
 
    screen->pipe_screen->destroy(screen->pipe_screen);
+   
+   for (i = 0; i < (1 << screen->optionCache.tableSize); ++i) {
+      FREE(screen->optionCache.info[i].name);
+      FREE(screen->optionCache.info[i].ranges);
+   }
+
+   FREE(screen->optionCache.info);
+   FREE(screen->optionCache.values);
+
    FREE(screen);
    sPriv->private = NULL;
 }
@@ -318,4 +392,12 @@ PUBLIC const struct __DriverAPIRec driDriverAPI = {
    .InitScreen2 = dri_init_screen2,
 };
 
+/* This is the table of extensions that the loader will dlsym() for. */
+PUBLIC const __DRIextension *__driDriverExtensions[] = {
+    &driCoreExtension.base,
+    &driLegacyExtension.base,
+    &driDRI2Extension.base,
+    NULL
+};
+
 /* vim: set sw=3 ts=8 sts=3 expandtab: */