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-rw-r--r--src/mesa/main/api_validate.c15
-rw-r--r--src/mesa/main/buffers.c12
-rw-r--r--src/mesa/main/config.h2
-rw-r--r--src/mesa/main/dd.h32
-rw-r--r--src/mesa/main/debug.c22
-rw-r--r--src/mesa/main/enable.c5
-rw-r--r--src/mesa/main/mtypes.h33
-rw-r--r--src/mesa/main/state.c2
-rw-r--r--src/mesa/main/stencil.c6
-rw-r--r--src/mesa/main/texstate.c75
-rw-r--r--src/mesa/main/vtxfmt.c9
11 files changed, 133 insertions, 80 deletions
diff --git a/src/mesa/main/api_validate.c b/src/mesa/main/api_validate.c
index 5c8955d7c8..42d1e579e0 100644
--- a/src/mesa/main/api_validate.c
+++ b/src/mesa/main/api_validate.c
@@ -87,11 +87,20 @@ check_valid_to_render(GLcontext *ctx, char *function)
return GL_FALSE;
}
- /* Always need vertex positions, unless a vertex program is in use */
- if (!ctx->VertexProgram._Current &&
- !ctx->Array.ArrayObj->Vertex.Enabled &&
+#if FEATURE_es2_glsl
+ /* For ES2, we can draw if any vertex array is enabled (and we should
+ * always have a vertex program/shader).
+ */
+ if (ctx->Array.ArrayObj->_Enabled == 0x0 || !ctx->VertexProgram._Current)
+ return GL_FALSE;
+#else
+ /* For regular OpenGL, only draw if we have vertex positions (regardless
+ * of whether or not we have a vertex program/shader).
+ */
+ if (!ctx->Array.ArrayObj->Vertex.Enabled &&
!ctx->Array.ArrayObj->VertexAttrib[0].Enabled)
return GL_FALSE;
+#endif
return GL_TRUE;
}
diff --git a/src/mesa/main/buffers.c b/src/mesa/main/buffers.c
index 85db3868c4..1580487ffd 100644
--- a/src/mesa/main/buffers.c
+++ b/src/mesa/main/buffers.c
@@ -119,12 +119,6 @@ draw_buffer_enum_to_bitmask(GLenum buffer)
return BUFFER_BIT_FRONT_LEFT;
case GL_AUX0:
return BUFFER_BIT_AUX0;
- case GL_AUX1:
- return BUFFER_BIT_AUX1;
- case GL_AUX2:
- return BUFFER_BIT_AUX2;
- case GL_AUX3:
- return BUFFER_BIT_AUX3;
case GL_COLOR_ATTACHMENT0_EXT:
return BUFFER_BIT_COLOR0;
case GL_COLOR_ATTACHMENT1_EXT:
@@ -176,12 +170,6 @@ read_buffer_enum_to_index(GLenum buffer)
return BUFFER_FRONT_LEFT;
case GL_AUX0:
return BUFFER_AUX0;
- case GL_AUX1:
- return BUFFER_AUX1;
- case GL_AUX2:
- return BUFFER_AUX2;
- case GL_AUX3:
- return BUFFER_AUX3;
case GL_COLOR_ATTACHMENT0_EXT:
return BUFFER_COLOR0;
case GL_COLOR_ATTACHMENT1_EXT:
diff --git a/src/mesa/main/config.h b/src/mesa/main/config.h
index bb3e980bfa..282ad9514c 100644
--- a/src/mesa/main/config.h
+++ b/src/mesa/main/config.h
@@ -68,7 +68,7 @@
#define MAX_PIXEL_MAP_TABLE 256
/** Maximum number of auxillary color buffers */
-#define MAX_AUX_BUFFERS 4
+#define MAX_AUX_BUFFERS 1
/** Maximum order (degree) of curves */
#ifdef AMIGA
diff --git a/src/mesa/main/dd.h b/src/mesa/main/dd.h
index 411b6a7b21..a335f77479 100644
--- a/src/mesa/main/dd.h
+++ b/src/mesa/main/dd.h
@@ -36,6 +36,22 @@
struct gl_pixelstore_attrib;
struct gl_display_list;
+#if FEATURE_ARB_vertex_buffer_object
+/* Modifies GL_MAP_UNSYNCHRONIZED_BIT to allow driver to fail (return
+ * NULL) if buffer is unavailable for immediate mapping.
+ *
+ * Does GL_MAP_INVALIDATE_RANGE_BIT do this? It seems so, but it
+ * would require more book-keeping in the driver than seems necessary
+ * at this point.
+ *
+ * Does GL_MAP_INVALDIATE_BUFFER_BIT do this? Not really -- we don't
+ * want to provoke the driver to throw away the old storage, we will
+ * respect the contents of already referenced data.
+ */
+#define MESA_MAP_NOWAIT_BIT 0x0040
+#endif
+
+
/**
* Device driver function table.
* Core Mesa uses these function pointers to call into device drivers.
@@ -785,6 +801,16 @@ struct dd_function_table {
void * (*MapBuffer)( GLcontext *ctx, GLenum target, GLenum access,
struct gl_buffer_object *obj );
+ /* May return NULL if MESA_MAP_NOWAIT_BIT is set in access:
+ */
+ void * (*MapBufferRange)( GLcontext *ctx, GLenum target,
+ GLintptr offset, GLsizeiptr length, GLbitfield access,
+ struct gl_buffer_object *obj);
+
+ void (*FlushMappedBufferRange) (GLcontext *ctx, GLenum target,
+ GLintptr offset, GLsizeiptr length,
+ struct gl_buffer_object *obj);
+
GLboolean (*UnmapBuffer)( GLcontext *ctx, GLenum target,
struct gl_buffer_object *obj );
/*@}*/
@@ -954,6 +980,12 @@ struct dd_function_table {
GLuint NeedFlush;
GLuint SaveNeedFlush;
+
+ /* Called prior to any of the GLvertexformat functions being
+ * called. Paired with Driver.FlushVertices().
+ */
+ void (*BeginVertices)( GLcontext *ctx );
+
/**
* If inside glBegin()/glEnd(), it should ASSERT(0). Otherwise, if
* FLUSH_STORED_VERTICES bit in \p flags is set flushes any buffered
diff --git a/src/mesa/main/debug.c b/src/mesa/main/debug.c
index fcef093ac3..fdd10dd307 100644
--- a/src/mesa/main/debug.c
+++ b/src/mesa/main/debug.c
@@ -23,6 +23,7 @@
*/
#include "mtypes.h"
+#include "colormac.h"
#include "context.h"
#include "hash.h"
#include "imports.h"
@@ -274,6 +275,27 @@ write_texture_image(struct gl_texture_object *texObj)
case MESA_FORMAT_ARGB8888:
write_ppm(s, img->Data, img->Width, img->Height, 4, 2, 1, 0);
break;
+ case MESA_FORMAT_RGB888:
+ write_ppm(s, img->Data, img->Width, img->Height, 3, 2, 1, 0);
+ break;
+ case MESA_FORMAT_RGB565:
+ {
+ GLubyte *buf2 = (GLubyte *) _mesa_malloc(img->Width * img->Height * 3);
+ GLint i;
+ for (i = 0; i < img->Width * img->Height; i++) {
+ GLint r, g, b;
+ GLushort s = ((GLushort *) img->Data)[i];
+ r = UBYTE_TO_CHAN( ((s >> 8) & 0xf8) | ((s >> 13) & 0x7) );
+ g = UBYTE_TO_CHAN( ((s >> 3) & 0xfc) | ((s >> 9) & 0x3) );
+ b = UBYTE_TO_CHAN( ((s << 3) & 0xf8) | ((s >> 2) & 0x7) );
+ buf2[i*3+1] = r;
+ buf2[i*3+2] = g;
+ buf2[i*3+3] = b;
+ }
+ write_ppm(s, buf2, img->Width, img->Height, 3, 2, 1, 0);
+ _mesa_free(buf2);
+ }
+ break;
default:
printf("XXXX unsupported mesa tex format %d in %s\n",
img->TexFormat->MesaFormat, __FUNCTION__);
diff --git a/src/mesa/main/enable.c b/src/mesa/main/enable.c
index 7ff3b15c84..a824705bdc 100644
--- a/src/mesa/main/enable.c
+++ b/src/mesa/main/enable.c
@@ -602,11 +602,6 @@ _mesa_set_enable(GLcontext *ctx, GLenum cap, GLboolean state)
ctx->Texture.SharedPalette = state;
break;
case GL_STENCIL_TEST:
- if (state && ctx->DrawBuffer->Visual.stencilBits == 0) {
- _mesa_warning(ctx,
- "glEnable(GL_STENCIL_TEST) but no stencil buffer");
- return;
- }
if (ctx->Stencil.Enabled == state)
return;
FLUSH_VERTICES(ctx, _NEW_STENCIL);
diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h
index f17b9e1e71..f906de8357 100644
--- a/src/mesa/main/mtypes.h
+++ b/src/mesa/main/mtypes.h
@@ -285,14 +285,11 @@ typedef enum
BUFFER_BACK_LEFT,
BUFFER_FRONT_RIGHT,
BUFFER_BACK_RIGHT,
- /* optional aux buffers */
- BUFFER_AUX0,
- BUFFER_AUX1,
- BUFFER_AUX2,
- BUFFER_AUX3,
BUFFER_DEPTH,
BUFFER_STENCIL,
BUFFER_ACCUM,
+ /* optional aux buffer */
+ BUFFER_AUX0,
/* generic renderbuffers */
BUFFER_COLOR0,
BUFFER_COLOR1,
@@ -336,9 +333,6 @@ typedef enum
BUFFER_BIT_FRONT_RIGHT | \
BUFFER_BIT_BACK_RIGHT | \
BUFFER_BIT_AUX0 | \
- BUFFER_BIT_AUX1 | \
- BUFFER_BIT_AUX2 | \
- BUFFER_BIT_AUX3 | \
BUFFER_BIT_COLOR0 | \
BUFFER_BIT_COLOR1 | \
BUFFER_BIT_COLOR2 | \
@@ -1018,6 +1012,7 @@ struct gl_stencil_attrib
GLboolean Enabled; /**< Enabled flag */
GLboolean TestTwoSide; /**< GL_EXT_stencil_two_side */
GLubyte ActiveFace; /**< GL_EXT_stencil_two_side (0 or 2) */
+ GLboolean _Enabled; /**< Enabled and stencil buffer present */
GLboolean _TestTwoSide;
GLubyte _BackFace; /**< Current back stencil state (1 or 2) */
GLenum Function[3]; /**< Stencil function */
@@ -1446,14 +1441,20 @@ struct gl_texture_attrib
GLboolean SharedPalette;
struct gl_color_table Palette;
- /** Per-unit flags */
- /*@{*/
- GLbitfield _EnabledUnits; /**< one bit set for each really-enabled unit */
- GLbitfield _EnabledCoordUnits; /**< one bit per enabled coordinate unit */
- GLbitfield _GenFlags; /**< for texgen */
- GLbitfield _TexGenEnabled; /**< Mask of ENABLE_TEXGEN flags */
- GLbitfield _TexMatEnabled; /**< Mask of ENABLE_TEXMAT flags */
- /*@}*/
+ /** Texture units/samplers used by vertex or fragment texturing */
+ GLbitfield _EnabledUnits;
+
+ /** Texture coord units/sets used for fragment texturing */
+ GLbitfield _EnabledCoordUnits;
+
+ /** Texture coord units that have texgen enabled */
+ GLbitfield _TexGenEnabled;
+
+ /** Texture coord units that have non-identity matrices */
+ GLbitfield _TexMatEnabled;
+
+ /** Bitwise-OR of all Texture.Unit[i]._GenFlags */
+ GLbitfield _GenFlags;
};
diff --git a/src/mesa/main/state.c b/src/mesa/main/state.c
index 0a39279bff..9ea932ea96 100644
--- a/src/mesa/main/state.c
+++ b/src/mesa/main/state.c
@@ -490,7 +490,7 @@ _mesa_update_state_locked( GLcontext *ctx )
if (new_state & _NEW_LIGHT)
_mesa_update_lighting( ctx );
- if (new_state & _NEW_STENCIL)
+ if (new_state & (_NEW_STENCIL | _NEW_BUFFERS))
_mesa_update_stencil( ctx );
#if FEATURE_pixel_transfer
diff --git a/src/mesa/main/stencil.c b/src/mesa/main/stencil.c
index e4a255d0a7..15c98e2015 100644
--- a/src/mesa/main/stencil.c
+++ b/src/mesa/main/stencil.c
@@ -536,7 +536,11 @@ _mesa_update_stencil(GLcontext *ctx)
{
const GLint face = ctx->Stencil._BackFace;
- ctx->Stencil._TestTwoSide =
+ ctx->Stencil._Enabled = (ctx->Stencil.Enabled &&
+ ctx->DrawBuffer->Visual.stencilBits > 0);
+
+ ctx->Stencil._TestTwoSide =
+ ctx->Stencil._Enabled &&
(ctx->Stencil.Function[0] != ctx->Stencil.Function[face] ||
ctx->Stencil.FailFunc[0] != ctx->Stencil.FailFunc[face] ||
ctx->Stencil.ZPassFunc[0] != ctx->Stencil.ZPassFunc[face] ||
diff --git a/src/mesa/main/texstate.c b/src/mesa/main/texstate.c
index e25c9e732c..2b07da805c 100644
--- a/src/mesa/main/texstate.c
+++ b/src/mesa/main/texstate.c
@@ -385,28 +385,6 @@ update_texture_compare_function(GLcontext *ctx,
/**
- * Helper function for determining which texture object (1D, 2D, cube, etc)
- * should actually be used.
- */
-static void
-texture_override(GLcontext *ctx,
- struct gl_texture_unit *texUnit, GLbitfield enableBits,
- struct gl_texture_object *texObj, GLuint textureBit)
-{
- if (!texUnit->_ReallyEnabled && (enableBits & textureBit)) {
- if (!texObj->_Complete) {
- _mesa_test_texobj_completeness(ctx, texObj);
- }
- if (texObj->_Complete) {
- texUnit->_ReallyEnabled = textureBit;
- texUnit->_Current = texObj;
- update_texture_compare_function(ctx, texObj);
- }
- }
-}
-
-
-/**
* Examine texture unit's combine/env state to update derived state.
*/
static void
@@ -514,6 +492,7 @@ update_texture_state( GLcontext *ctx )
GLuint unit;
struct gl_fragment_program *fprog = NULL;
struct gl_vertex_program *vprog = NULL;
+ GLbitfield enabledFragUnits = 0x0;
if (ctx->Shader.CurrentProgram &&
ctx->Shader.CurrentProgram->LinkStatus) {
@@ -545,44 +524,60 @@ update_texture_state( GLcontext *ctx )
*/
for (unit = 0; unit < ctx->Const.MaxTextureImageUnits; unit++) {
struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
- GLbitfield enableBits;
+ GLbitfield enabledVertTargets = 0x0;
+ GLbitfield enabledFragTargets = 0x0;
+ GLbitfield enabledTargets = 0x0;
GLuint texIndex;
- texUnit->_Current = NULL;
- texUnit->_ReallyEnabled = 0x0;
-
/* Get the bitmask of texture target enables.
* enableBits will be a mask of the TEXTURE_*_BIT flags indicating
* which texture targets are enabled (fixed function) or referenced
* by a fragment shader/program. When multiple flags are set, we'll
- * settle on the one with highest priority (see texture_override below).
+ * settle on the one with highest priority (see below).
*/
- enableBits = 0x0;
if (vprog) {
- enableBits |= vprog->Base.TexturesUsed[unit];
+ enabledVertTargets |= vprog->Base.TexturesUsed[unit];
}
+
if (fprog) {
- enableBits |= fprog->Base.TexturesUsed[unit];
+ enabledFragTargets |= fprog->Base.TexturesUsed[unit];
}
else {
/* fixed-function fragment program */
- enableBits |= texUnit->Enabled;
+ enabledFragTargets |= texUnit->Enabled;
}
- if (enableBits == 0x0)
+ enabledTargets = enabledVertTargets | enabledFragTargets;
+
+ texUnit->_ReallyEnabled = 0x0;
+
+ if (enabledTargets == 0x0) {
+ /* neither vertex nor fragment processing uses this unit */
continue;
+ }
- /* Look for the highest-priority texture target that's enabled and
- * complete. That's the one we'll use for texturing. If we're using
- * a fragment program we're guaranteed that bitcount(enabledBits) <= 1.
+ /* Look for the highest priority texture target that's enabled (or used
+ * by the vert/frag shaders) and "complete". That's the one we'll use
+ * for texturing. If we're using vert/frag program we're guaranteed
+ * that bitcount(enabledBits) <= 1.
* Note that the TEXTURE_x_INDEX values are in high to low priority.
*/
for (texIndex = 0; texIndex < NUM_TEXTURE_TARGETS; texIndex++) {
- texture_override(ctx, texUnit, enableBits,
- texUnit->CurrentTex[texIndex], 1 << texIndex);
+ if (enabledTargets & (1 << texIndex)) {
+ struct gl_texture_object *texObj = texUnit->CurrentTex[texIndex];
+ if (!texObj->_Complete) {
+ _mesa_test_texobj_completeness(ctx, texObj);
+ }
+ if (texObj->_Complete) {
+ texUnit->_ReallyEnabled = 1 << texIndex;
+ _mesa_reference_texobj(&texUnit->_Current, texObj);
+ break;
+ }
+ }
}
if (!texUnit->_ReallyEnabled) {
+ _mesa_reference_texobj(&texUnit->_Current, NULL);
continue;
}
@@ -590,7 +585,11 @@ update_texture_state( GLcontext *ctx )
ctx->Texture._EnabledUnits |= (1 << unit);
+ if (enabledFragTargets)
+ enabledFragUnits |= (1 << unit);
+
update_tex_combine(ctx, texUnit);
+ update_texture_compare_function(ctx, texUnit->_Current);
}
@@ -601,7 +600,7 @@ update_texture_state( GLcontext *ctx )
= (fprog->Base.InputsRead >> FRAG_ATTRIB_TEX0) & coordMask;
}
else {
- ctx->Texture._EnabledCoordUnits = ctx->Texture._EnabledUnits;
+ ctx->Texture._EnabledCoordUnits = enabledFragUnits;
}
/* Setup texgen for those texture coordinate sets that are in use */
diff --git a/src/mesa/main/vtxfmt.c b/src/mesa/main/vtxfmt.c
index 0204979003..1f807dc3dc 100644
--- a/src/mesa/main/vtxfmt.c
+++ b/src/mesa/main/vtxfmt.c
@@ -54,9 +54,12 @@
ASSERT( tnl->Current ); \
ASSERT( tnl->SwapCount < NUM_VERTEX_FORMAT_ENTRIES ); \
ASSERT( tmp_offset >= 0 ); \
- \
- /* Save the swapped function's dispatch entry so it can be */ \
- /* restored later. */ \
+ \
+ if (tnl->SwapCount == 0) \
+ ctx->Driver.BeginVertices( ctx ); \
+ \
+ /* Save the swapped function's dispatch entry so it can be */ \
+ /* restored later. */ \
tnl->Swapped[tnl->SwapCount].location = & (((_glapi_proc *)ctx->Exec)[tmp_offset]); \
tnl->Swapped[tnl->SwapCount].function = (_glapi_proc)TAG(FUNC); \
tnl->SwapCount++; \
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-01 08:16:05 +0000