fontconfig pixman mesa git update 27 Feb 2012

4 files changed, 66 insertions, 47 deletions

diff --git a/mesalib/src/mesa/state_tracker/st_cb_drawpixels.c b/mesalib/src/mesa/state_tracker/st_cb_drawpixels.c
index de4c189a8..18d0e53d4 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_drawpixels.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_drawpixels.c
@@ -824,9 +824,10 @@ draw_stencil_pixels(struct gl_context *ctx, GLint x, GLint y,
    enum pipe_transfer_usage usage;
    struct pipe_transfer *pt;
    const GLboolean zoom = ctx->Pixel.ZoomX != 1.0 || ctx->Pixel.ZoomY != 1.0;
-   GLint skipPixels;
    ubyte *stmap;
    struct gl_pixelstore_attrib clippedUnpack = *unpack;
+   GLubyte *sValues;
+   GLuint *zValues;
 
    if (!zoom) {
       if (!_mesa_clip_drawpixels(ctx, &x, &y, &width, &height,
@@ -862,22 +863,19 @@ draw_stencil_pixels(struct gl_context *ctx, GLint x, GLint y,
    pixels = _mesa_map_pbo_source(ctx, &clippedUnpack, pixels);
    assert(pixels);
 
-   /* if width > MAX_WIDTH, have to process image in chunks */
-   skipPixels = 0;
-   while (skipPixels < width) {
-      const GLint spanX = skipPixels;
-      const GLint spanWidth = MIN2(width - skipPixels, MAX_WIDTH);
+   sValues = (GLubyte *) malloc(width * sizeof(GLubyte));
+   zValues = (GLuint *) malloc(width * sizeof(GLuint));
+
+   if (sValues && zValues) {
       GLint row;
       for (row = 0; row < height; row++) {
-         GLubyte sValues[MAX_WIDTH];
-         GLuint zValues[MAX_WIDTH];
          GLfloat *zValuesFloat = (GLfloat*)zValues;
          GLenum destType = GL_UNSIGNED_BYTE;
          const GLvoid *source = _mesa_image_address2d(&clippedUnpack, pixels,
                                                       width, height,
                                                       format, type,
-                                                      row, skipPixels);
-         _mesa_unpack_stencil_span(ctx, spanWidth, destType, sValues,
+                                                      row, 0);
+         _mesa_unpack_stencil_span(ctx, width, destType, sValues,
                                    type, source, &clippedUnpack,
                                    ctx->_ImageTransferState);
 
@@ -886,7 +884,7 @@ draw_stencil_pixels(struct gl_context *ctx, GLint x, GLint y,
                pt->resource->format == PIPE_FORMAT_Z32_FLOAT_S8X24_UINT ?
                GL_FLOAT : GL_UNSIGNED_INT;
 
-            _mesa_unpack_depth_span(ctx, spanWidth, ztype, zValues,
+            _mesa_unpack_depth_span(ctx, width, ztype, zValues,
                                     (1 << 24) - 1, type, source,
                                     &clippedUnpack);
          }
@@ -910,63 +908,63 @@ draw_stencil_pixels(struct gl_context *ctx, GLint x, GLint y,
             switch (pt->resource->format) {
             case PIPE_FORMAT_S8_UINT:
                {
-                  ubyte *dest = stmap + spanY * pt->stride + spanX;
+                  ubyte *dest = stmap + spanY * pt->stride;
                   assert(usage == PIPE_TRANSFER_WRITE);
-                  memcpy(dest, sValues, spanWidth);
+                  memcpy(dest, sValues, width);
                }
                break;
             case PIPE_FORMAT_Z24_UNORM_S8_UINT:
                if (format == GL_DEPTH_STENCIL) {
-                  uint *dest = (uint *) (stmap + spanY * pt->stride + spanX*4);
+                  uint *dest = (uint *) (stmap + spanY * pt->stride);
                   GLint k;
                   assert(usage == PIPE_TRANSFER_WRITE);
-                  for (k = 0; k < spanWidth; k++) {
+                  for (k = 0; k < width; k++) {
                      dest[k] = zValues[k] | (sValues[k] << 24);
                   }
                }
                else {
-                  uint *dest = (uint *) (stmap + spanY * pt->stride + spanX*4);
+                  uint *dest = (uint *) (stmap + spanY * pt->stride);
                   GLint k;
                   assert(usage == PIPE_TRANSFER_READ_WRITE);
-                  for (k = 0; k < spanWidth; k++) {
+                  for (k = 0; k < width; k++) {
                      dest[k] = (dest[k] & 0xffffff) | (sValues[k] << 24);
                   }
                }
                break;
             case PIPE_FORMAT_S8_UINT_Z24_UNORM:
                if (format == GL_DEPTH_STENCIL) {
-                  uint *dest = (uint *) (stmap + spanY * pt->stride + spanX*4);
+                  uint *dest = (uint *) (stmap + spanY * pt->stride);
                   GLint k;
                   assert(usage == PIPE_TRANSFER_WRITE);
-                  for (k = 0; k < spanWidth; k++) {
+                  for (k = 0; k < width; k++) {
                      dest[k] = (zValues[k] << 8) | (sValues[k] & 0xff);
                   }
                }
                else {
-                  uint *dest = (uint *) (stmap + spanY * pt->stride + spanX*4);
+                  uint *dest = (uint *) (stmap + spanY * pt->stride);
                   GLint k;
                   assert(usage == PIPE_TRANSFER_READ_WRITE);
-                  for (k = 0; k < spanWidth; k++) {
+                  for (k = 0; k < width; k++) {
                      dest[k] = (dest[k] & 0xffffff00) | (sValues[k] & 0xff);
                   }
                }
                break;
             case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT:
                if (format == GL_DEPTH_STENCIL) {
-                  uint *dest = (uint *) (stmap + spanY * pt->stride + spanX*4);
+                  uint *dest = (uint *) (stmap + spanY * pt->stride);
                   GLfloat *destf = (GLfloat*)dest;
                   GLint k;
                   assert(usage == PIPE_TRANSFER_WRITE);
-                  for (k = 0; k < spanWidth; k++) {
+                  for (k = 0; k < width; k++) {
                      destf[k*2] = zValuesFloat[k];
                      dest[k*2+1] = sValues[k] & 0xff;
                   }
                }
                else {
-                  uint *dest = (uint *) (stmap + spanY * pt->stride + spanX*4);
+                  uint *dest = (uint *) (stmap + spanY * pt->stride);
                   GLint k;
                   assert(usage == PIPE_TRANSFER_READ_WRITE);
-                  for (k = 0; k < spanWidth; k++) {
+                  for (k = 0; k < width; k++) {
                      dest[k*2+1] = sValues[k] & 0xff;
                   }
                }
@@ -976,8 +974,13 @@ draw_stencil_pixels(struct gl_context *ctx, GLint x, GLint y,
             }
          }
       }
-      skipPixels += spanWidth;
    }
+   else {
+      _mesa_error(ctx, GL_OUT_OF_MEMORY, "glDrawPixels()");
+   }
+
+   free(sValues);
+   free(zValues);
 
    _mesa_unmap_pbo_source(ctx, &clippedUnpack);
 
diff --git a/mesalib/src/mesa/state_tracker/st_cb_texture.c b/mesalib/src/mesa/state_tracker/st_cb_texture.c
index d887455e6..ea59ccf25 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_texture.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_texture.c
@@ -684,9 +684,16 @@ decompress_with_blit(struct gl_context * ctx,
       /* format translation via floats */
       GLuint row;
       enum pipe_format pformat = util_format_linear(dst_texture->format);
+      GLfloat *rgba;
+
+      rgba = (GLfloat *) malloc(width * 4 * sizeof(GLfloat));
+      if (!rgba) {
+         _mesa_error(ctx, GL_OUT_OF_MEMORY, "glGetTexImage()");
+         goto end;
+      }
+
       for (row = 0; row < height; row++) {
          const GLbitfield transferOps = 0x0; /* bypassed for glGetTexImage() */
-         GLfloat rgba[4 * MAX_WIDTH];
          GLvoid *dest = _mesa_image_address2d(&ctx->Pack, pixels, width,
                                               height, format, type, row, 0);
 
@@ -700,8 +707,11 @@ decompress_with_blit(struct gl_context * ctx,
          _mesa_pack_rgba_span_float(ctx, width, (GLfloat (*)[4]) rgba, format,
                                     type, dest, &ctx->Pack, transferOps);
       }
+
+      free(rgba);
    }
 
+end:
    _mesa_unmap_pbo_dest(ctx, &ctx->Pack);
 
    pipe->transfer_destroy(pipe, tex_xfer);
@@ -763,8 +773,6 @@ fallback_copy_texsubimage(struct gl_context *ctx,
    if (ST_DEBUG & DEBUG_FALLBACK)
       debug_printf("%s: fallback processing\n", __FUNCTION__);
 
-   assert(width <= MAX_WIDTH);
-
    if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) {
       srcY = strb->Base.Height - srcY - height;
    }
@@ -793,6 +801,7 @@ fallback_copy_texsubimage(struct gl_context *ctx,
       const GLboolean scaleOrBias = (ctx->Pixel.DepthScale != 1.0F ||
                                      ctx->Pixel.DepthBias != 0.0F);
       GLint row, yStep;
+      uint *data;
 
       /* determine bottom-to-top vs. top-to-bottom order for src buffer */
       if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) {
@@ -804,15 +813,23 @@ fallback_copy_texsubimage(struct gl_context *ctx,
          yStep = 1;
       }
 
-      /* To avoid a large temp memory allocation, do copy row by row */
-      for (row = 0; row < height; row++, srcY += yStep) {
-         uint data[MAX_WIDTH];
-         pipe_get_tile_z(pipe, src_trans, 0, srcY, width, 1, data);
-         if (scaleOrBias) {
-            _mesa_scale_and_bias_depth_uint(ctx, width, data);
+      data = (uint *) malloc(width * sizeof(uint));
+
+      if (data) {
+         /* To avoid a large temp memory allocation, do copy row by row */
+         for (row = 0; row < height; row++, srcY += yStep) {
+            pipe_get_tile_z(pipe, src_trans, 0, srcY, width, 1, data);
+            if (scaleOrBias) {
+               _mesa_scale_and_bias_depth_uint(ctx, width, data);
+            }
+            pipe_put_tile_z(pipe, stImage->transfer, 0, row, width, 1, data);
          }
-         pipe_put_tile_z(pipe, stImage->transfer, 0, row, width, 1, data);
       }
+      else {
+         _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyTexSubImage()");
+      }
+
+      free(data);
    }
    else {
       /* RGBA format */
diff --git a/mesalib/src/mesa/state_tracker/st_extensions.c b/mesalib/src/mesa/state_tracker/st_extensions.c
index fb36a6809..33bc6ed72 100644
--- a/mesalib/src/mesa/state_tracker/st_extensions.c
+++ b/mesalib/src/mesa/state_tracker/st_extensions.c
@@ -108,6 +108,14 @@ void st_init_limits(struct st_context *st)
 
    c->MaxTextureUnits = _min(c->MaxTextureImageUnits, c->MaxTextureCoordUnits);
 
+   /* Define max viewport size and max renderbuffer size in terms of
+    * max texture size (note: max tex RECT size = max tex 2D size).
+    * If this isn't true for some hardware we'll need new PIPE_CAP_ queries.
+    */
+   c->MaxViewportWidth =
+   c->MaxViewportHeight =
+   c->MaxRenderbufferSize = c->MaxTextureRectSize;
+
    c->MaxDrawBuffers
       = _clamp(screen->get_param(screen, PIPE_CAP_MAX_RENDER_TARGETS),
               1, MAX_DRAW_BUFFERS);
diff --git a/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp b/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
index f139e95fe..b0227855c 100644
--- a/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
+++ b/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
@@ -4746,8 +4746,6 @@ get_mesa_program(struct gl_context *ctx,
 {
    glsl_to_tgsi_visitor* v = new glsl_to_tgsi_visitor();
    struct gl_program *prog;
-   struct pipe_screen * screen = st_context(ctx)->pipe->screen;
-   unsigned pipe_shader_type;
    GLenum target;
    const char *target_string;
    bool progress;
@@ -4758,17 +4756,14 @@ get_mesa_program(struct gl_context *ctx,
    case GL_VERTEX_SHADER:
       target = GL_VERTEX_PROGRAM_ARB;
       target_string = "vertex";
-      pipe_shader_type = PIPE_SHADER_VERTEX;
       break;
    case GL_FRAGMENT_SHADER:
       target = GL_FRAGMENT_PROGRAM_ARB;
       target_string = "fragment";
-      pipe_shader_type = PIPE_SHADER_FRAGMENT;
       break;
    case GL_GEOMETRY_SHADER:
       target = GL_GEOMETRY_PROGRAM_NV;
       target_string = "geometry";
-      pipe_shader_type = PIPE_SHADER_GEOMETRY;
       break;
    default:
       assert(!"should not be reached");
@@ -4792,12 +4787,8 @@ get_mesa_program(struct gl_context *ctx,
    _mesa_generate_parameters_list_for_uniforms(shader_program, shader,
 					       prog->Parameters);
 
-   if (!screen->get_shader_param(screen, pipe_shader_type,
-                                 PIPE_SHADER_CAP_OUTPUT_READ)) {
-      /* Remove reads to output registers, and to varyings in vertex shaders. */
-      lower_output_reads(shader->ir);
-   }
-
+   /* Remove reads from output registers. */
+   lower_output_reads(shader->ir);
 
    /* Emit intermediate IR for main(). */
    visit_exec_list(shader->ir, v);