swrast* (gallium, classic): add MESA_copy_sub_buffer support (v3)
[mesa.git] / src / gallium / drivers / softpipe / sp_screen.c
index f952e6046f05263da4bdb2ebf8f0e55f0d1d536b..69cb09fd84da896b21fc098d8eb06d54b3f3aea0 100644 (file)
 #include "util/u_format.h"
 #include "util/u_format_s3tc.h"
 #include "util/u_video.h"
+#include "os/os_time.h"
 #include "pipe/p_defines.h"
 #include "pipe/p_screen.h"
 #include "draw/draw_context.h"
+#include "vl/vl_decoder.h"
 #include "vl/vl_video_buffer.h"
 
 #include "state_tracker/sw_winsys.h"
@@ -44,6 +46,7 @@
 #include "sp_fence.h"
 #include "sp_public.h"
 
+DEBUG_GET_ONCE_BOOL_OPTION(use_llvm, "SOFTPIPE_USE_LLVM", FALSE)
 
 static const char *
 softpipe_get_vendor(struct pipe_screen *screen)
@@ -63,23 +66,13 @@ static int
 softpipe_get_param(struct pipe_screen *screen, enum pipe_cap param)
 {
    switch (param) {
-   case PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS:
-      return PIPE_MAX_SAMPLERS;
-   case PIPE_CAP_MAX_VERTEX_TEXTURE_UNITS:
-#ifdef HAVE_LLVM
-      /* Softpipe doesn't yet know how to tell draw/llvm about textures */
-      return 0;
-#else
-      return PIPE_MAX_VERTEX_SAMPLERS;
-#endif
    case PIPE_CAP_MAX_COMBINED_SAMPLERS:
-      return PIPE_MAX_SAMPLERS + PIPE_MAX_VERTEX_SAMPLERS;
+      return 2 * PIPE_MAX_SAMPLERS;  /* VS + FS */
    case PIPE_CAP_NPOT_TEXTURES:
+   case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES:
       return 1;
    case PIPE_CAP_TWO_SIDED_STENCIL:
       return 1;
-   case PIPE_CAP_GLSL:
-      return 1;
    case PIPE_CAP_SM3:
       return 1;
    case PIPE_CAP_ANISOTROPIC_FILTER:
@@ -88,24 +81,28 @@ softpipe_get_param(struct pipe_screen *screen, enum pipe_cap param)
       return 1;
    case PIPE_CAP_MAX_RENDER_TARGETS:
       return PIPE_MAX_COLOR_BUFS;
+   case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS:
+      return 1;
    case PIPE_CAP_OCCLUSION_QUERY:
       return 1;
-   case PIPE_CAP_TIMER_QUERY:
+   case PIPE_CAP_QUERY_TIME_ELAPSED:
       return 1;
-   case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
+   case PIPE_CAP_QUERY_PIPELINE_STATISTICS:
       return 1;
-   case PIPE_CAP_TEXTURE_MIRROR_REPEAT:
+   case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
       return 1;
    case PIPE_CAP_TEXTURE_SHADOW_MAP:
       return 1;
    case PIPE_CAP_TEXTURE_SWIZZLE:
       return 1;
+   case PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK:
+      return 0;
    case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
       return SP_MAX_TEXTURE_2D_LEVELS;
    case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
       return SP_MAX_TEXTURE_3D_LEVELS;
    case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
-      return SP_MAX_TEXTURE_2D_LEVELS;
+      return SP_MAX_TEXTURE_CUBE_LEVELS;
    case PIPE_CAP_BLEND_EQUATION_SEPARATE:
       return 1;
    case PIPE_CAP_INDEP_BLEND_ENABLE:
@@ -117,68 +114,164 @@ softpipe_get_param(struct pipe_screen *screen, enum pipe_cap param)
    case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
    case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
       return 1;
-   case PIPE_CAP_STREAM_OUTPUT:
-      return 1;
+   case PIPE_CAP_DEPTH_CLIP_DISABLE:
+      return 0;
+   case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS:
+      return PIPE_MAX_SO_BUFFERS;
+   case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS:
+   case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS:
+      return 16*4;
    case PIPE_CAP_PRIMITIVE_RESTART:
       return 1;
-   case PIPE_CAP_DEPTHSTENCIL_CLEAR_SEPARATE:
-      return 0;
    case PIPE_CAP_SHADER_STENCIL_EXPORT:
       return 1;
    case PIPE_CAP_TGSI_INSTANCEID:
    case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR:
       return 1;
-   case PIPE_CAP_ARRAY_TEXTURES:
+   case PIPE_CAP_SEAMLESS_CUBE_MAP:
+   case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE:
       return 1;
-   default:
+   case PIPE_CAP_SCALED_RESOLVE:
+      return 0;
+   case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS:
+      return 256; /* for GL3 */
+   case PIPE_CAP_MIN_TEXEL_OFFSET:
+      return -8;
+   case PIPE_CAP_MAX_TEXEL_OFFSET:
+      return 7;
+   case PIPE_CAP_CONDITIONAL_RENDER:
+      return 1;
+   case PIPE_CAP_TEXTURE_BARRIER:
+      return 0;
+   case PIPE_CAP_FRAGMENT_COLOR_CLAMPED:
+   case PIPE_CAP_VERTEX_COLOR_UNCLAMPED: /* draw module */
+   case PIPE_CAP_VERTEX_COLOR_CLAMPED: /* draw module */
+      return 1;
+   case PIPE_CAP_MIXED_COLORBUFFER_FORMATS:
+      return 0;
+   case PIPE_CAP_GLSL_FEATURE_LEVEL:
+      return 140;
+   case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION:
+      return 0;
+   case PIPE_CAP_COMPUTE:
+      return 0;
+   case PIPE_CAP_USER_VERTEX_BUFFERS:
+   case PIPE_CAP_USER_INDEX_BUFFERS:
+   case PIPE_CAP_USER_CONSTANT_BUFFERS:
+   case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME:
+      return 1;
+   case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT:
+      return 16;
+   case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS:
+   case PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY:
+   case PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY:
+   case PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY:
+   case PIPE_CAP_START_INSTANCE:
+   case PIPE_CAP_TEXTURE_MULTISAMPLE:
+   case PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT:
+      return 0;
+   case PIPE_CAP_QUERY_TIMESTAMP:
+   case PIPE_CAP_CUBE_MAP_ARRAY:
+      return 1;
+   case PIPE_CAP_TEXTURE_BUFFER_OBJECTS:
+      return 1;
+   case PIPE_CAP_MAX_TEXTURE_BUFFER_SIZE:
+      return 65536;
+   case PIPE_CAP_TEXTURE_BUFFER_OFFSET_ALIGNMENT:
+      return 0;
+   case PIPE_CAP_TGSI_TEXCOORD:
+   case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER:
+      return 0;
+   case PIPE_CAP_MAX_VIEWPORTS:
+      return 1;
+   case PIPE_CAP_ENDIANNESS:
+      return PIPE_ENDIAN_NATIVE;
+   case PIPE_CAP_TGSI_VS_LAYER:
       return 0;
    }
+   /* should only get here on unhandled cases */
+   debug_printf("Unexpected PIPE_CAP %d query\n", param);
+   return 0;
 }
 
 static int
 softpipe_get_shader_param(struct pipe_screen *screen, unsigned shader, enum pipe_shader_cap param)
 {
+   struct softpipe_screen *sp_screen = softpipe_screen(screen);
    switch(shader)
    {
    case PIPE_SHADER_FRAGMENT:
       return tgsi_exec_get_shader_param(param);
    case PIPE_SHADER_VERTEX:
    case PIPE_SHADER_GEOMETRY:
-      return draw_get_shader_param(shader, param);
+      switch (param) {
+      case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
+      case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:
+         if (sp_screen->use_llvm)
+            /* Softpipe doesn't yet know how to tell draw/llvm about textures */
+            return 0;
+         else
+            return PIPE_MAX_SAMPLERS;
+      default:
+         if (sp_screen->use_llvm)
+            return draw_get_shader_param(shader, param);
+         else
+            return draw_get_shader_param_no_llvm(shader, param);
+      }
    default:
       return 0;
    }
 }
 
 static float
-softpipe_get_paramf(struct pipe_screen *screen, enum pipe_cap param)
+softpipe_get_paramf(struct pipe_screen *screen, enum pipe_capf param)
 {
    switch (param) {
-   case PIPE_CAP_MAX_LINE_WIDTH:
+   case PIPE_CAPF_MAX_LINE_WIDTH:
       /* fall-through */
-   case PIPE_CAP_MAX_LINE_WIDTH_AA:
+   case PIPE_CAPF_MAX_LINE_WIDTH_AA:
       return 255.0; /* arbitrary */
-   case PIPE_CAP_MAX_POINT_WIDTH:
+   case PIPE_CAPF_MAX_POINT_WIDTH:
       /* fall-through */
-   case PIPE_CAP_MAX_POINT_WIDTH_AA:
+   case PIPE_CAPF_MAX_POINT_WIDTH_AA:
       return 255.0; /* arbitrary */
-   case PIPE_CAP_MAX_TEXTURE_ANISOTROPY:
+   case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY:
       return 16.0;
-   case PIPE_CAP_MAX_TEXTURE_LOD_BIAS:
+   case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS:
       return 16.0; /* arbitrary */
-   default:
-      return 0;
+   case PIPE_CAPF_GUARD_BAND_LEFT:
+   case PIPE_CAPF_GUARD_BAND_TOP:
+   case PIPE_CAPF_GUARD_BAND_RIGHT:
+   case PIPE_CAPF_GUARD_BAND_BOTTOM:
+      return 0.0;
    }
+   /* should only get here on unhandled cases */
+   debug_printf("Unexpected PIPE_CAPF %d query\n", param);
+   return 0.0;
 }
 
 static int
 softpipe_get_video_param(struct pipe_screen *screen,
                          enum pipe_video_profile profile,
+                        enum pipe_video_entrypoint entrypoint,
                          enum pipe_video_cap param)
 {
    switch (param) {
+   case PIPE_VIDEO_CAP_SUPPORTED:
+       return vl_profile_supported(screen, profile, entrypoint);
    case PIPE_VIDEO_CAP_NPOT_TEXTURES:
       return 0;
+   case PIPE_VIDEO_CAP_MAX_WIDTH:
+   case PIPE_VIDEO_CAP_MAX_HEIGHT:
+      return vl_video_buffer_max_size(screen);
+   case PIPE_VIDEO_CAP_PREFERED_FORMAT:
+      return PIPE_FORMAT_NV12;
+   case PIPE_VIDEO_CAP_PREFERS_INTERLACED:
+      return false;
+   case PIPE_VIDEO_CAP_SUPPORTS_INTERLACED:
+      return false;
+   case PIPE_VIDEO_CAP_SUPPORTS_PROGRESSIVE:
+      return true;
    default:
       return 0;
    }
@@ -206,7 +299,8 @@ softpipe_is_format_supported( struct pipe_screen *screen,
           target == PIPE_TEXTURE_2D_ARRAY ||
           target == PIPE_TEXTURE_RECT ||
           target == PIPE_TEXTURE_3D ||
-          target == PIPE_TEXTURE_CUBE);
+          target == PIPE_TEXTURE_CUBE ||
+          target == PIPE_TEXTURE_CUBE_ARRAY);
 
    format_desc = util_format_description(format);
    if (!format_desc)
@@ -239,19 +333,6 @@ softpipe_is_format_supported( struct pipe_screen *screen,
    if (bind & PIPE_BIND_DEPTH_STENCIL) {
       if (format_desc->colorspace != UTIL_FORMAT_COLORSPACE_ZS)
          return FALSE;
-
-      /*
-       * TODO: Unfortunately we cannot render into anything more than 32 bits
-       * because we encode depth and stencil clear values into a 32bit word.
-       */
-      if (format_desc->block.bits > 32)
-         return FALSE;
-
-      /*
-       * TODO: eliminate this restriction
-       */
-      if (format == PIPE_FORMAT_Z32_FLOAT)
-         return FALSE;
    }
 
    /*
@@ -288,7 +369,8 @@ static void
 softpipe_flush_frontbuffer(struct pipe_screen *_screen,
                            struct pipe_resource *resource,
                            unsigned level, unsigned layer,
-                           void *context_private)
+                           void *context_private,
+                           struct pipe_box *sub_box)
 {
    struct softpipe_screen *screen = softpipe_screen(_screen);
    struct sw_winsys *winsys = screen->winsys;
@@ -296,7 +378,13 @@ softpipe_flush_frontbuffer(struct pipe_screen *_screen,
 
    assert(texture->dt);
    if (texture->dt)
-      winsys->displaytarget_display(winsys, texture->dt, context_private);
+      winsys->displaytarget_display(winsys, texture->dt, context_private, sub_box);
+}
+
+static uint64_t
+softpipe_get_timestamp(struct pipe_screen *_screen)
+{
+   return os_time_get_nano();
 }
 
 /**
@@ -313,7 +401,6 @@ softpipe_create_screen(struct sw_winsys *winsys)
 
    screen->winsys = winsys;
 
-   screen->base.winsys = NULL;
    screen->base.destroy = softpipe_destroy_screen;
 
    screen->base.get_name = softpipe_get_name;
@@ -322,11 +409,14 @@ softpipe_create_screen(struct sw_winsys *winsys)
    screen->base.get_shader_param = softpipe_get_shader_param;
    screen->base.get_paramf = softpipe_get_paramf;
    screen->base.get_video_param = softpipe_get_video_param;
+   screen->base.get_timestamp = softpipe_get_timestamp;
    screen->base.is_format_supported = softpipe_is_format_supported;
    screen->base.is_video_format_supported = vl_video_buffer_is_format_supported;
    screen->base.context_create = softpipe_create_context;
    screen->base.flush_frontbuffer = softpipe_flush_frontbuffer;
 
+   screen->use_llvm = debug_get_option_use_llvm();
+
    util_format_s3tc_init();
 
    softpipe_init_screen_texture_funcs(&screen->base);