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wined3d: Avoid using a stack buffer in a few places in shader_hw_map2gl().

This commit is contained in:
Henri Verbeet 2008-11-19 11:49:14 +01:00 committed by Alexandre Julliard
parent 9b118cc345
commit 495fcc72a6
1 changed files with 14 additions and 17 deletions
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31
dlls/wined3d/arb_program_shader.c
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@ -1089,8 +1089,7 @@ static void shader_hw_map2gl(SHADER_OPCODE_ARG* arg)
SHADER_BUFFER* buffer = arg->buffer;
DWORD dst = arg->dst;
DWORD* src = arg->src;
char tmpLine[256];
char arguments[256];
unsigned int i;
if (shader_is_pshader_version(shader->baseShader.hex_version))
@ -1102,6 +1101,7 @@ static void shader_hw_map2gl(SHADER_OPCODE_ARG* arg)
BOOL saturate = FALSE;
BOOL centroid = FALSE;
BOOL partialprecision = FALSE;
const char *modifier;
DWORD shift;
if (!curOpcode->num_params)
@ -1110,8 +1110,6 @@ static void shader_hw_map2gl(SHADER_OPCODE_ARG* arg)
return;
}
strcpy(tmpLine, curOpcode->glname);
/* Process modifiers */
if (dst & WINED3DSP_DSTMOD_MASK)
{
@ -1128,6 +1126,7 @@ static void shader_hw_map2gl(SHADER_OPCODE_ARG* arg)
FIXME("Unhandled modifier(%#x)\n", mask >> WINED3DSP_DSTMOD_SHIFT);
}
shift = (dst & WINED3DSP_DSTSHIFT_MASK) >> WINED3DSP_DSTSHIFT_SHIFT;
modifier = (saturate && !shift) ? "_SAT" : "";
/* Generate input register names (with modifiers) */
for (i = 1; i < curOpcode->num_params; ++i)
@ -1139,33 +1138,31 @@ static void shader_hw_map2gl(SHADER_OPCODE_ARG* arg)
shader_arb_get_write_mask(arg, dst, output_wmask);
strcat(operands[0], output_wmask);
if (saturate && (shift == 0))
strcat(tmpLine, "_SAT");
strcat(tmpLine, " ");
strcat(tmpLine, operands[0]);
arguments[0] = '\0';
strcat(arguments, operands[0]);
for (i = 1; i < curOpcode->num_params; i++)
{
strcat(tmpLine, ", ");
strcat(tmpLine, operands[i]);
strcat(arguments, ", ");
strcat(arguments, operands[i]);
}
strcat(tmpLine,";\n");
shader_addline(buffer, tmpLine);
shader_addline(buffer, "%s%s %s;\n", curOpcode->glname, modifier, arguments);
/* A shift requires another line. */
if (shift) pshader_gen_output_modifier_line(buffer, saturate, output_wmask, shift, output_rname);
} else {
strcpy(tmpLine, curOpcode->glname);
/* Note that vshader_program_add_param() adds spaces. */
arguments[0] = '\0';
if (curOpcode->num_params > 0)
{
vshader_program_add_param(arg, dst, FALSE, tmpLine);
vshader_program_add_param(arg, dst, FALSE, arguments);
for (i = 1; i < curOpcode->num_params; ++i)
{
strcat(tmpLine, ",");
vshader_program_add_param(arg, src[i-1], TRUE, tmpLine);
strcat(arguments, ",");
vshader_program_add_param(arg, src[i-1], TRUE, arguments);
}
}
shader_addline(buffer, "%s;\n", tmpLine);
shader_addline(buffer, "%s%s;\n", curOpcode->glname, arguments);
}
}