#include "image.h"
#include "imports.h"
#include "macros.h"
+#include "mfeatures.h"
+#include "mtypes.h"
-/**
- * NOTE:
- * Normally, BYTE_TO_FLOAT(0) returns 0.00392 That causes problems when
- * we later convert the float to a packed integer value (such as for
- * GL_RGB5_A1) because we'll wind up with a non-zero value.
- *
- * We redefine the macros here so zero is handled correctly.
- */
-#undef BYTE_TO_FLOAT
-#define BYTE_TO_FLOAT(B) ((B) == 0 ? 0.0F : ((2.0F * (B) + 1.0F) * (1.0F/255.0F)))
-
-#undef SHORT_TO_FLOAT
-#define SHORT_TO_FLOAT(S) ((S) == 0 ? 0.0F : ((2.0F * (S) + 1.0F) * (1.0F/65535.0F)))
-
-
-
-/** Compute ceiling of integer quotient of A divided by B. */
-#define CEILING( A, B ) ( (A) % (B) == 0 ? (A)/(B) : (A)/(B)+1 )
-
/**
* \return GL_TRUE if type is packed pixel type, GL_FALSE otherwise.
switch (type) {
case GL_UNSIGNED_BYTE_3_3_2:
case GL_UNSIGNED_BYTE_2_3_3_REV:
+ case MESA_UNSIGNED_BYTE_4_4:
case GL_UNSIGNED_SHORT_5_6_5:
case GL_UNSIGNED_SHORT_5_6_5_REV:
case GL_UNSIGNED_SHORT_4_4_4_4:
case GL_UNSIGNED_SHORT_8_8_MESA:
case GL_UNSIGNED_SHORT_8_8_REV_MESA:
case GL_UNSIGNED_INT_24_8_EXT:
+ case GL_UNSIGNED_INT_5_9_9_9_REV:
+ case GL_UNSIGNED_INT_10F_11F_11F_REV:
+ case GL_FLOAT_32_UNSIGNED_INT_24_8_REV:
return GL_TRUE;
}
case GL_FLOAT:
return sizeof(GLfloat);
case GL_UNSIGNED_BYTE_3_3_2:
- return sizeof(GLubyte);
case GL_UNSIGNED_BYTE_2_3_3_REV:
+ case MESA_UNSIGNED_BYTE_4_4:
return sizeof(GLubyte);
case GL_UNSIGNED_SHORT_5_6_5:
- return sizeof(GLushort);
case GL_UNSIGNED_SHORT_5_6_5_REV:
- return sizeof(GLushort);
case GL_UNSIGNED_SHORT_4_4_4_4:
- return sizeof(GLushort);
case GL_UNSIGNED_SHORT_4_4_4_4_REV:
- return sizeof(GLushort);
case GL_UNSIGNED_SHORT_5_5_5_1:
- return sizeof(GLushort);
case GL_UNSIGNED_SHORT_1_5_5_5_REV:
+ case GL_UNSIGNED_SHORT_8_8_MESA:
+ case GL_UNSIGNED_SHORT_8_8_REV_MESA:
return sizeof(GLushort);
case GL_UNSIGNED_INT_8_8_8_8:
- return sizeof(GLuint);
case GL_UNSIGNED_INT_8_8_8_8_REV:
- return sizeof(GLuint);
case GL_UNSIGNED_INT_10_10_10_2:
- return sizeof(GLuint);
case GL_UNSIGNED_INT_2_10_10_10_REV:
- return sizeof(GLuint);
- case GL_UNSIGNED_SHORT_8_8_MESA:
- case GL_UNSIGNED_SHORT_8_8_REV_MESA:
- return sizeof(GLushort);
case GL_UNSIGNED_INT_24_8_EXT:
+ case GL_UNSIGNED_INT_5_9_9_9_REV:
+ case GL_UNSIGNED_INT_10F_11F_11F_REV:
return sizeof(GLuint);
+ case GL_FLOAT_32_UNSIGNED_INT_24_8_REV:
+ return 8;
default:
return -1;
}
{
switch (format) {
case GL_COLOR_INDEX:
- case GL_COLOR_INDEX1_EXT:
- case GL_COLOR_INDEX2_EXT:
- case GL_COLOR_INDEX4_EXT:
- case GL_COLOR_INDEX8_EXT:
- case GL_COLOR_INDEX12_EXT:
- case GL_COLOR_INDEX16_EXT:
case GL_STENCIL_INDEX:
case GL_DEPTH_COMPONENT:
case GL_RED:
case GL_LUMINANCE_INTEGER_EXT:
case GL_INTENSITY:
return 1;
+
case GL_LUMINANCE_ALPHA:
case GL_LUMINANCE_ALPHA_INTEGER_EXT:
case GL_RG:
+ case GL_YCBCR_MESA:
+ case GL_DEPTH_STENCIL_EXT:
+ case GL_DUDV_ATI:
+ case GL_DU8DV8_ATI:
return 2;
+
case GL_RGB:
+ case GL_BGR:
case GL_RGB_INTEGER_EXT:
+ case GL_BGR_INTEGER_EXT:
return 3;
+
case GL_RGBA:
- case GL_RGBA_INTEGER_EXT:
- return 4;
- case GL_BGR:
- return 3;
case GL_BGRA:
- return 4;
case GL_ABGR_EXT:
+ case GL_RGBA_INTEGER_EXT:
+ case GL_BGRA_INTEGER_EXT:
return 4;
- case GL_YCBCR_MESA:
- return 2;
- case GL_DEPTH_STENCIL_EXT:
- return 2;
- case GL_DUDV_ATI:
- case GL_DU8DV8_ATI:
- return 2;
+
default:
return -1;
}
return sizeof(GLuint);
else
return -1;
+ case GL_UNSIGNED_INT_5_9_9_9_REV:
+ if (format == GL_RGB)
+ return sizeof(GLuint);
+ else
+ return -1;
+ case GL_UNSIGNED_INT_10F_11F_11F_REV:
+ if (format == GL_RGB)
+ return sizeof(GLuint);
+ else
+ return -1;
+ case GL_FLOAT_32_UNSIGNED_INT_24_8_REV:
+ if (format == GL_DEPTH_STENCIL)
+ return 8;
+ else
+ return -1;
default:
return -1;
}
return GL_TRUE;
case GL_HALF_FLOAT_ARB:
return ctx->Extensions.ARB_half_float_pixel;
+ case GL_UNSIGNED_INT_5_9_9_9_REV:
+ return ctx->Extensions.EXT_texture_shared_exponent;
+ case GL_UNSIGNED_INT_10F_11F_11F_REV:
+ return ctx->Extensions.EXT_packed_float;
default:
return GL_FALSE;
}
else
return GL_FALSE;
case GL_DEPTH_STENCIL_EXT:
- if (ctx->Extensions.EXT_packed_depth_stencil
- && type == GL_UNSIGNED_INT_24_8_EXT)
+ if ((ctx->Extensions.EXT_packed_depth_stencil &&
+ type == GL_UNSIGNED_INT_24_8_EXT) ||
+ (ctx->Extensions.ARB_depth_buffer_float &&
+ type == GL_FLOAT_32_UNSIGNED_INT_24_8_REV))
return GL_TRUE;
else
return GL_FALSE;
case GL_UNSIGNED_SHORT:
case GL_INT:
case GL_UNSIGNED_INT:
+ return ctx->Extensions.EXT_texture_integer;
case GL_UNSIGNED_BYTE_3_3_2:
case GL_UNSIGNED_BYTE_2_3_3_REV:
case GL_UNSIGNED_SHORT_5_6_5:
case GL_UNSIGNED_SHORT_5_6_5_REV:
- return ctx->Extensions.EXT_texture_integer;
+ return ctx->Extensions.ARB_texture_rgb10_a2ui;
default:
return GL_FALSE;
}
case GL_UNSIGNED_SHORT:
case GL_INT:
case GL_UNSIGNED_INT:
+ return ctx->Extensions.EXT_texture_integer;
case GL_UNSIGNED_SHORT_4_4_4_4:
case GL_UNSIGNED_SHORT_4_4_4_4_REV:
case GL_UNSIGNED_SHORT_5_5_5_1:
case GL_UNSIGNED_INT_8_8_8_8_REV:
case GL_UNSIGNED_INT_10_10_10_2:
case GL_UNSIGNED_INT_2_10_10_10_REV:
- return ctx->Extensions.EXT_texture_integer;
+ return ctx->Extensions.ARB_texture_rgb10_a2ui;
default:
return GL_FALSE;
}
case GL_COMPRESSED_SIGNED_RED_RGTC1:
case GL_COMPRESSED_RG_RGTC2:
case GL_COMPRESSED_SIGNED_RG_RGTC2:
- /* signed, normalized texture formats */
- case GL_RGBA_SNORM:
- case GL_RGBA8_SNORM:
+ case GL_COMPRESSED_LUMINANCE_LATC1_EXT:
+ case GL_COMPRESSED_SIGNED_LUMINANCE_LATC1_EXT:
+ case GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT:
+ case GL_COMPRESSED_SIGNED_LUMINANCE_ALPHA_LATC2_EXT:
+ case GL_COMPRESSED_LUMINANCE_ALPHA_3DC_ATI:
+ case GL_ETC1_RGB8_OES:
/* generic integer formats */
case GL_RED_INTEGER_EXT:
case GL_GREEN_INTEGER_EXT:
case GL_INTENSITY8I_EXT:
case GL_LUMINANCE8I_EXT:
case GL_LUMINANCE_ALPHA8I_EXT:
+ /* signed, normalized texture formats */
+ case GL_RED_SNORM:
+ case GL_R8_SNORM:
+ case GL_R16_SNORM:
+ case GL_RG_SNORM:
+ case GL_RG8_SNORM:
+ case GL_RG16_SNORM:
+ case GL_RGB_SNORM:
+ case GL_RGB8_SNORM:
+ case GL_RGB16_SNORM:
+ case GL_RGBA_SNORM:
+ case GL_RGBA8_SNORM:
+ case GL_RGBA16_SNORM:
+ case GL_ALPHA_SNORM:
+ case GL_ALPHA8_SNORM:
+ case GL_ALPHA16_SNORM:
+ case GL_LUMINANCE_SNORM:
+ case GL_LUMINANCE8_SNORM:
+ case GL_LUMINANCE16_SNORM:
+ case GL_LUMINANCE_ALPHA_SNORM:
+ case GL_LUMINANCE8_ALPHA8_SNORM:
+ case GL_LUMINANCE16_ALPHA16_SNORM:
+ case GL_INTENSITY_SNORM:
+ case GL_INTENSITY8_SNORM:
+ case GL_INTENSITY16_SNORM:
+ case GL_RGB9_E5:
+ case GL_R11F_G11F_B10F:
+ case GL_RGB10_A2UI:
return GL_TRUE;
case GL_YCBCR_MESA: /* not considered to be RGB */
/* fall-through */
}
-/**
- * Test if the given image format is a color index format.
- */
-GLboolean
-_mesa_is_index_format(GLenum format)
-{
- switch (format) {
- case GL_COLOR_INDEX:
- case GL_COLOR_INDEX1_EXT:
- case GL_COLOR_INDEX2_EXT:
- case GL_COLOR_INDEX4_EXT:
- case GL_COLOR_INDEX8_EXT:
- case GL_COLOR_INDEX12_EXT:
- case GL_COLOR_INDEX16_EXT:
- return GL_TRUE;
- default:
- return GL_FALSE;
- }
-}
-
-
/**
* Test if the given image format is a depth component format.
*/
case GL_DEPTH_COMPONENT16:
case GL_DEPTH_COMPONENT24:
case GL_DEPTH_COMPONENT32:
+ case GL_DEPTH_COMPONENT32F:
return GL_TRUE;
default:
return GL_FALSE;
{
switch (format) {
case GL_STENCIL_INDEX:
- case GL_DEPTH_STENCIL:
return GL_TRUE;
default:
return GL_FALSE;
switch (format) {
case GL_DEPTH24_STENCIL8_EXT:
case GL_DEPTH_STENCIL_EXT:
+ case GL_DEPTH32F_STENCIL8:
return GL_TRUE;
default:
return GL_FALSE;
case GL_STENCIL_INDEX16_EXT:
case GL_DEPTH_STENCIL_EXT:
case GL_DEPTH24_STENCIL8_EXT:
+ case GL_DEPTH_COMPONENT32F:
+ case GL_DEPTH32F_STENCIL8:
return GL_TRUE;
default:
return GL_FALSE;
/* specific integer formats */
case GL_RGBA32UI_EXT:
case GL_RGB32UI_EXT:
+ case GL_RG32UI:
+ case GL_R32UI:
case GL_ALPHA32UI_EXT:
case GL_INTENSITY32UI_EXT:
case GL_LUMINANCE32UI_EXT:
case GL_LUMINANCE_ALPHA32UI_EXT:
case GL_RGBA16UI_EXT:
case GL_RGB16UI_EXT:
+ case GL_RG16UI:
+ case GL_R16UI:
case GL_ALPHA16UI_EXT:
case GL_INTENSITY16UI_EXT:
case GL_LUMINANCE16UI_EXT:
case GL_LUMINANCE_ALPHA16UI_EXT:
case GL_RGBA8UI_EXT:
case GL_RGB8UI_EXT:
+ case GL_RG8UI:
+ case GL_R8UI:
case GL_ALPHA8UI_EXT:
case GL_INTENSITY8UI_EXT:
case GL_LUMINANCE8UI_EXT:
case GL_LUMINANCE_ALPHA8UI_EXT:
case GL_RGBA32I_EXT:
case GL_RGB32I_EXT:
+ case GL_RG32I:
+ case GL_R32I:
case GL_ALPHA32I_EXT:
case GL_INTENSITY32I_EXT:
case GL_LUMINANCE32I_EXT:
case GL_LUMINANCE_ALPHA32I_EXT:
case GL_RGBA16I_EXT:
case GL_RGB16I_EXT:
+ case GL_RG16I:
+ case GL_R16I:
case GL_ALPHA16I_EXT:
case GL_INTENSITY16I_EXT:
case GL_LUMINANCE16I_EXT:
case GL_LUMINANCE_ALPHA16I_EXT:
case GL_RGBA8I_EXT:
case GL_RGB8I_EXT:
+ case GL_RG8I:
+ case GL_R8I:
case GL_ALPHA8I_EXT:
case GL_INTENSITY8I_EXT:
case GL_LUMINANCE8I_EXT:
case GL_LUMINANCE_ALPHA8I_EXT:
+ case GL_RGB10_A2UI:
return GL_TRUE;
default:
return GL_FALSE;
case GL_COMPRESSED_RG_RGTC2:
case GL_COMPRESSED_SIGNED_RG_RGTC2:
return ctx->Extensions.ARB_texture_compression_rgtc;
+ case GL_COMPRESSED_LUMINANCE_LATC1_EXT:
+ case GL_COMPRESSED_SIGNED_LUMINANCE_LATC1_EXT:
+ case GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT:
+ case GL_COMPRESSED_SIGNED_LUMINANCE_ALPHA_LATC2_EXT:
+ return ctx->Extensions.EXT_texture_compression_latc;
+ case GL_COMPRESSED_LUMINANCE_ALPHA_3DC_ATI:
+ return ctx->Extensions.ATI_texture_compression_3dc;
+ case GL_ETC1_RGB8_OES:
+ return ctx->Extensions.OES_compressed_ETC1_RGB8_texture;
+#if FEATURE_ES
+ case GL_PALETTE4_RGB8_OES:
+ case GL_PALETTE4_RGBA8_OES:
+ case GL_PALETTE4_R5_G6_B5_OES:
+ case GL_PALETTE4_RGBA4_OES:
+ case GL_PALETTE4_RGB5_A1_OES:
+ case GL_PALETTE8_RGB8_OES:
+ case GL_PALETTE8_RGBA8_OES:
+ case GL_PALETTE8_R5_G6_B5_OES:
+ case GL_PALETTE8_RGBA4_OES:
+ case GL_PALETTE8_RGB5_A1_OES:
+ return ctx->API == API_OPENGLES;
+#endif
+ default:
+ return GL_FALSE;
+ }
+}
+
+
+/**
+ * Does the given base texture/renderbuffer format have the channel
+ * named by 'pname'?
+ */
+GLboolean
+_mesa_base_format_has_channel(GLenum base_format, GLenum pname)
+{
+ switch (pname) {
+ case GL_TEXTURE_RED_SIZE:
+ case GL_TEXTURE_RED_TYPE:
+ case GL_RENDERBUFFER_RED_SIZE_EXT:
+ case GL_FRAMEBUFFER_ATTACHMENT_RED_SIZE:
+ if (base_format == GL_RED ||
+ base_format == GL_RG ||
+ base_format == GL_RGB ||
+ base_format == GL_RGBA) {
+ return GL_TRUE;
+ }
+ return GL_FALSE;
+ case GL_TEXTURE_GREEN_SIZE:
+ case GL_TEXTURE_GREEN_TYPE:
+ case GL_RENDERBUFFER_GREEN_SIZE_EXT:
+ case GL_FRAMEBUFFER_ATTACHMENT_GREEN_SIZE:
+ if (base_format == GL_RG ||
+ base_format == GL_RGB ||
+ base_format == GL_RGBA) {
+ return GL_TRUE;
+ }
+ return GL_FALSE;
+ case GL_TEXTURE_BLUE_SIZE:
+ case GL_TEXTURE_BLUE_TYPE:
+ case GL_RENDERBUFFER_BLUE_SIZE_EXT:
+ case GL_FRAMEBUFFER_ATTACHMENT_BLUE_SIZE:
+ if (base_format == GL_RGB ||
+ base_format == GL_RGBA) {
+ return GL_TRUE;
+ }
+ return GL_FALSE;
+ case GL_TEXTURE_ALPHA_SIZE:
+ case GL_TEXTURE_ALPHA_TYPE:
+ case GL_RENDERBUFFER_ALPHA_SIZE_EXT:
+ case GL_FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE:
+ if (base_format == GL_RGBA ||
+ base_format == GL_ALPHA ||
+ base_format == GL_LUMINANCE_ALPHA) {
+ return GL_TRUE;
+ }
+ return GL_FALSE;
+ case GL_TEXTURE_LUMINANCE_SIZE:
+ case GL_TEXTURE_LUMINANCE_TYPE:
+ if (base_format == GL_LUMINANCE ||
+ base_format == GL_LUMINANCE_ALPHA) {
+ return GL_TRUE;
+ }
+ return GL_FALSE;
+ case GL_TEXTURE_INTENSITY_SIZE:
+ case GL_TEXTURE_INTENSITY_TYPE:
+ if (base_format == GL_INTENSITY) {
+ return GL_TRUE;
+ }
+ return GL_FALSE;
+ case GL_TEXTURE_DEPTH_SIZE:
+ case GL_TEXTURE_DEPTH_TYPE:
+ case GL_RENDERBUFFER_DEPTH_SIZE_EXT:
+ case GL_FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE:
+ if (base_format == GL_DEPTH_STENCIL ||
+ base_format == GL_DEPTH_COMPONENT) {
+ return GL_TRUE;
+ }
+ return GL_FALSE;
+ case GL_RENDERBUFFER_STENCIL_SIZE_EXT:
+ case GL_FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE:
+ if (base_format == GL_DEPTH_STENCIL ||
+ base_format == GL_STENCIL_INDEX) {
+ return GL_TRUE;
+ }
+ return GL_FALSE;
default:
+ _mesa_warning(NULL, "%s: Unexpected channel token 0x%x\n",
+ __FUNCTION__, pname);
return GL_FALSE;
}
+
+ return GL_FALSE;
}
GLubyte (*dst1)[4] = (GLubyte (*)[4]) (useTemp ? tempBuffer : dst);
GLuint i;
for (i = 0; i < count; i++) {
- if (!mask || mask[i]) {
- UNCLAMPED_FLOAT_TO_UBYTE(dst1[i][RCOMP], src4[i][RCOMP]);
- UNCLAMPED_FLOAT_TO_UBYTE(dst1[i][GCOMP], src4[i][GCOMP]);
- UNCLAMPED_FLOAT_TO_UBYTE(dst1[i][BCOMP], src4[i][BCOMP]);
- UNCLAMPED_FLOAT_TO_UBYTE(dst1[i][ACOMP], src4[i][ACOMP]);
- }
+ if (!mask || mask[i])
+ _mesa_unclamped_float_rgba_to_ubyte(dst1[i], src4[i]);
}
if (useTemp)
memcpy(dst, tempBuffer, count * 4 * sizeof(GLubyte));
* scissor box is ignored, and we use the bounds of the current readbuffer
* surface.
*
- * \return GL_TRUE if image is ready for drawing or
- * GL_FALSE if image was completely clipped away (draw nothing)
+ * \return GL_TRUE if region to read is in bounds
+ * GL_FALSE if region is completely out of bounds (nothing to read)
*/
GLboolean
_mesa_clip_readpixels(const struct gl_context *ctx,
/**
* Clip dst coords against Xmax (or Ymax).
*/
-static INLINE void
+static inline void
clip_right_or_top(GLint *srcX0, GLint *srcX1,
GLint *dstX0, GLint *dstX1,
GLint maxValue)
/**
* Clip dst coords against Xmin (or Ymin).
*/
-static INLINE void
+static inline void
clip_left_or_bottom(GLint *srcX0, GLint *srcX1,
GLint *dstX0, GLint *dstX1,
GLint minValue)
projects / mesa.git / blobdiff