#include "context.h"
#include "pixelstore.h"
#include "mtypes.h"
+#include "util/rounding.h"
-void GLAPIENTRY
-_mesa_PixelStorei( GLenum pname, GLint param )
+static ALWAYS_INLINE void
+pixel_storei(GLenum pname, GLint param, bool no_error)
{
/* NOTE: this call can't be compiled into the display list */
GET_CURRENT_CONTEXT(ctx);
switch (pname) {
case GL_PACK_SWAP_BYTES:
- if (!_mesa_is_desktop_gl(ctx))
+ if (!no_error && !_mesa_is_desktop_gl(ctx))
goto invalid_enum_error;
ctx->Pack.SwapBytes = param ? GL_TRUE : GL_FALSE;
break;
case GL_PACK_LSB_FIRST:
- if (!_mesa_is_desktop_gl(ctx))
+ if (!no_error && !_mesa_is_desktop_gl(ctx))
goto invalid_enum_error;
ctx->Pack.LsbFirst = param ? GL_TRUE : GL_FALSE;
break;
case GL_PACK_ROW_LENGTH:
- if (!_mesa_is_desktop_gl(ctx) && !_mesa_is_gles3(ctx))
+ if (!no_error && !_mesa_is_desktop_gl(ctx) && !_mesa_is_gles3(ctx))
goto invalid_enum_error;
- if (param<0)
+ if (!no_error && param<0)
goto invalid_value_error;
ctx->Pack.RowLength = param;
break;
case GL_PACK_IMAGE_HEIGHT:
- if (!_mesa_is_desktop_gl(ctx) && !_mesa_is_gles3(ctx))
+ if (!no_error && !_mesa_is_desktop_gl(ctx) && !_mesa_is_gles3(ctx))
goto invalid_enum_error;
- if (param<0)
+ if (!no_error && param<0)
goto invalid_value_error;
ctx->Pack.ImageHeight = param;
break;
case GL_PACK_SKIP_PIXELS:
- if (!_mesa_is_desktop_gl(ctx) && !_mesa_is_gles3(ctx))
+ if (!no_error && !_mesa_is_desktop_gl(ctx) && !_mesa_is_gles3(ctx))
goto invalid_enum_error;
- if (param<0)
+ if (!no_error && param<0)
goto invalid_value_error;
ctx->Pack.SkipPixels = param;
break;
case GL_PACK_SKIP_ROWS:
- if (!_mesa_is_desktop_gl(ctx) && !_mesa_is_gles3(ctx))
+ if (!no_error && !_mesa_is_desktop_gl(ctx) && !_mesa_is_gles3(ctx))
goto invalid_enum_error;
- if (param<0)
+ if (!no_error && param<0)
goto invalid_value_error;
ctx->Pack.SkipRows = param;
break;
case GL_PACK_SKIP_IMAGES:
- if (!_mesa_is_desktop_gl(ctx) && !_mesa_is_gles3(ctx))
+ if (!no_error && !_mesa_is_desktop_gl(ctx) && !_mesa_is_gles3(ctx))
goto invalid_enum_error;
- if (param<0)
+ if (!no_error && param<0)
goto invalid_value_error;
ctx->Pack.SkipImages = param;
break;
case GL_PACK_ALIGNMENT:
- if (param!=1 && param!=2 && param!=4 && param!=8)
+ if (!no_error && param!=1 && param!=2 && param!=4 && param!=8)
goto invalid_value_error;
ctx->Pack.Alignment = param;
break;
case GL_PACK_INVERT_MESA:
- if (!_mesa_is_desktop_gl(ctx) || !ctx->Extensions.MESA_pack_invert)
+ if (!no_error &&
+ (!_mesa_is_desktop_gl(ctx) || !ctx->Extensions.MESA_pack_invert))
goto invalid_enum_error;
ctx->Pack.Invert = param;
break;
case GL_PACK_COMPRESSED_BLOCK_WIDTH:
- if (!_mesa_is_desktop_gl(ctx))
+ if (!no_error && !_mesa_is_desktop_gl(ctx))
goto invalid_enum_error;
- if (param<0)
+ if (!no_error && param<0)
goto invalid_value_error;
ctx->Pack.CompressedBlockWidth = param;
break;
case GL_PACK_COMPRESSED_BLOCK_HEIGHT:
- if (!_mesa_is_desktop_gl(ctx))
+ if (!no_error && !_mesa_is_desktop_gl(ctx))
goto invalid_enum_error;
- if (param<0)
+ if (!no_error && param<0)
goto invalid_value_error;
ctx->Pack.CompressedBlockHeight = param;
break;
case GL_PACK_COMPRESSED_BLOCK_DEPTH:
- if (!_mesa_is_desktop_gl(ctx))
+ if (!no_error && !_mesa_is_desktop_gl(ctx))
goto invalid_enum_error;
- if (param<0)
+ if (!no_error && param<0)
goto invalid_value_error;
ctx->Pack.CompressedBlockDepth = param;
break;
case GL_PACK_COMPRESSED_BLOCK_SIZE:
- if (!_mesa_is_desktop_gl(ctx))
+ if (!no_error && !_mesa_is_desktop_gl(ctx))
goto invalid_enum_error;
- if (param<0)
+ if (!no_error && param<0)
goto invalid_value_error;
ctx->Pack.CompressedBlockSize = param;
break;
case GL_UNPACK_SWAP_BYTES:
- if (!_mesa_is_desktop_gl(ctx))
+ if (!no_error && !_mesa_is_desktop_gl(ctx))
goto invalid_enum_error;
ctx->Unpack.SwapBytes = param ? GL_TRUE : GL_FALSE;
break;
case GL_UNPACK_LSB_FIRST:
- if (!_mesa_is_desktop_gl(ctx))
+ if (!no_error && !_mesa_is_desktop_gl(ctx))
goto invalid_enum_error;
ctx->Unpack.LsbFirst = param ? GL_TRUE : GL_FALSE;
break;
case GL_UNPACK_ROW_LENGTH:
- if (ctx->API == API_OPENGLES)
+ if (!no_error && ctx->API == API_OPENGLES)
goto invalid_enum_error;
- if (param<0)
+ if (!no_error && param<0)
goto invalid_value_error;
ctx->Unpack.RowLength = param;
break;
case GL_UNPACK_IMAGE_HEIGHT:
- if (!_mesa_is_desktop_gl(ctx) && !_mesa_is_gles3(ctx))
+ if (!no_error && !_mesa_is_desktop_gl(ctx) && !_mesa_is_gles3(ctx))
goto invalid_enum_error;
- if (param<0)
+ if (!no_error && param<0)
goto invalid_value_error;
ctx->Unpack.ImageHeight = param;
break;
case GL_UNPACK_SKIP_PIXELS:
- if (ctx->API == API_OPENGLES)
+ if (!no_error && ctx->API == API_OPENGLES)
goto invalid_enum_error;
- if (param<0)
+ if (!no_error && param<0)
goto invalid_value_error;
ctx->Unpack.SkipPixels = param;
break;
case GL_UNPACK_SKIP_ROWS:
- if (ctx->API == API_OPENGLES)
+ if (!no_error && ctx->API == API_OPENGLES)
goto invalid_enum_error;
- if (param<0)
+ if (!no_error && param<0)
goto invalid_value_error;
ctx->Unpack.SkipRows = param;
break;
case GL_UNPACK_SKIP_IMAGES:
- if (!_mesa_is_desktop_gl(ctx) && !_mesa_is_gles3(ctx))
+ if (!no_error && !_mesa_is_desktop_gl(ctx) && !_mesa_is_gles3(ctx))
goto invalid_enum_error;
- if (param < 0)
+ if (!no_error && param < 0)
goto invalid_value_error;
ctx->Unpack.SkipImages = param;
break;
case GL_UNPACK_ALIGNMENT:
- if (param!=1 && param!=2 && param!=4 && param!=8)
+ if (!no_error && param!=1 && param!=2 && param!=4 && param!=8)
goto invalid_value_error;
ctx->Unpack.Alignment = param;
break;
case GL_UNPACK_COMPRESSED_BLOCK_WIDTH:
- if (!_mesa_is_desktop_gl(ctx))
+ if (!no_error && !_mesa_is_desktop_gl(ctx))
goto invalid_enum_error;
- if (param<0)
+ if (!no_error && param<0)
goto invalid_value_error;
ctx->Unpack.CompressedBlockWidth = param;
break;
case GL_UNPACK_COMPRESSED_BLOCK_HEIGHT:
- if (!_mesa_is_desktop_gl(ctx))
+ if (!no_error && !_mesa_is_desktop_gl(ctx))
goto invalid_enum_error;
- if (param<0)
+ if (!no_error && param<0)
goto invalid_value_error;
ctx->Unpack.CompressedBlockHeight = param;
break;
case GL_UNPACK_COMPRESSED_BLOCK_DEPTH:
- if (!_mesa_is_desktop_gl(ctx))
+ if (!no_error && !_mesa_is_desktop_gl(ctx))
goto invalid_enum_error;
- if (param<0)
+ if (!no_error && param<0)
goto invalid_value_error;
ctx->Unpack.CompressedBlockDepth = param;
break;
case GL_UNPACK_COMPRESSED_BLOCK_SIZE:
- if (!_mesa_is_desktop_gl(ctx))
+ if (!no_error && !_mesa_is_desktop_gl(ctx))
goto invalid_enum_error;
- if (param<0)
+ if (!no_error && param<0)
goto invalid_value_error;
ctx->Unpack.CompressedBlockSize = param;
break;
default:
- goto invalid_enum_error;
+ if (!no_error)
+ goto invalid_enum_error;
+ else
+ unreachable("invalid pixel store enum");
}
return;
invalid_enum_error:
- _mesa_error( ctx, GL_INVALID_ENUM, "glPixelStore" );
+ _mesa_error(ctx, GL_INVALID_ENUM, "glPixelStore");
return;
invalid_value_error:
- _mesa_error( ctx, GL_INVALID_VALUE, "glPixelStore(param)" );
+ _mesa_error(ctx, GL_INVALID_VALUE, "glPixelStore(param)");
return;
}
void GLAPIENTRY
-_mesa_PixelStoref( GLenum pname, GLfloat param )
+_mesa_PixelStorei(GLenum pname, GLint param)
+{
+ pixel_storei(pname, param, false);
+}
+
+
+void GLAPIENTRY
+_mesa_PixelStoref(GLenum pname, GLfloat param)
{
- _mesa_PixelStorei( pname, IROUND(param) );
+ _mesa_PixelStorei(pname, lroundf(param));
}
+void GLAPIENTRY
+_mesa_PixelStorei_no_error(GLenum pname, GLint param)
+{
+ pixel_storei(pname, param, true);
+}
+
+
+void GLAPIENTRY
+_mesa_PixelStoref_no_error(GLenum pname, GLfloat param)
+{
+ _mesa_PixelStorei_no_error(pname, lroundf(param));
+}
+
/**
* Initialize the context's pixel store state.
*/
void
-_mesa_init_pixelstore( struct gl_context *ctx )
+_mesa_init_pixelstore(struct gl_context *ctx)
{
/* Pixel transfer */
ctx->Pack.Alignment = 4;
ctx->Pack.CompressedBlockHeight = 0;
ctx->Pack.CompressedBlockDepth = 0;
ctx->Pack.CompressedBlockSize = 0;
- _mesa_reference_buffer_object(ctx, &ctx->Pack.BufferObj,
- ctx->Shared->NullBufferObj);
+ _mesa_reference_buffer_object(ctx, &ctx->Pack.BufferObj, NULL);
ctx->Unpack.Alignment = 4;
ctx->Unpack.RowLength = 0;
ctx->Unpack.ImageHeight = 0;
ctx->Unpack.CompressedBlockHeight = 0;
ctx->Unpack.CompressedBlockDepth = 0;
ctx->Unpack.CompressedBlockSize = 0;
- _mesa_reference_buffer_object(ctx, &ctx->Unpack.BufferObj,
- ctx->Shared->NullBufferObj);
+ _mesa_reference_buffer_object(ctx, &ctx->Unpack.BufferObj, NULL);
/*
* _mesa_unpack_image() returns image data in this format. When we
ctx->DefaultPacking.SwapBytes = GL_FALSE;
ctx->DefaultPacking.LsbFirst = GL_FALSE;
ctx->DefaultPacking.Invert = GL_FALSE;
- _mesa_reference_buffer_object(ctx, &ctx->DefaultPacking.BufferObj,
- ctx->Shared->NullBufferObj);
+ _mesa_reference_buffer_object(ctx, &ctx->DefaultPacking.BufferObj, NULL);
+}
+
+
+/**
+ * Check if the given compressed pixel storage parameters are legal.
+ * Record a GL error if illegal.
+ * \return true if legal, false if illegal
+ */
+bool
+_mesa_compressed_pixel_storage_error_check(
+ struct gl_context *ctx,
+ GLint dimensions,
+ const struct gl_pixelstore_attrib *packing,
+ const char *caller)
+{
+ if (!_mesa_is_desktop_gl(ctx) || !packing->CompressedBlockSize)
+ return true;
+
+ if (packing->CompressedBlockWidth &&
+ packing->SkipPixels % packing->CompressedBlockWidth) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "%s(skip-pixels %% block-width)", caller);
+ return false;
+ }
+
+ if (dimensions > 1 &&
+ packing->CompressedBlockHeight &&
+ packing->SkipRows % packing->CompressedBlockHeight) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "%s(skip-rows %% block-height)", caller);
+ return false;
+ }
+
+ if (dimensions > 2 &&
+ packing->CompressedBlockDepth &&
+ packing->SkipImages % packing->CompressedBlockDepth) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "%s(skip-images %% block-depth)", caller);
+ return false;
+ }
+
+ return true;
}
projects / mesa.git / blobdiff